We are delighted to be able to invite you to attend this Farm Walk to hear from the team at Lockerley Estate about how they are working to reduce farm-based emissions whilst storing more carbon into soils and non-crop biomass.
Increasingly farming with greenhouse gas emissions in mind, as well as all the other targets farmers work to, is becoming the norm.
Lockerley Estate & Preston Farms, based near Stockbridge in Hampshire is a 2,000ha diverse estate which champions an approach to agriculture where biodiversity, soil health and the wellbeing of the community and future generations is at the heart of everything they do.
Craig Livingstone, Director of Farming & Estates, has four key aims to enable the estate to reduce emissions which are focussed on maximising soil carbon sequestration; reducing reliance on chemical inputs; using the wider estate to sequester more carbon and increasing the natural capital on the estate.
Event details
The farm walk will begin at 1.30pm and will provide an opportunity to find out more about Craig’s strategy to reduce emissions from the estate and how this has benefited the business, leading him to be named as one of FCT’s finalists in our first Carbon Farmer of the Year Competition.
The event will take place outside, please wear suitable clothing and footwear. Light refreshments will be provided.
How to book
This event is free but spaces are limited. Please book via our Eventbrite page by following this link.
Looking back at 2023, it can safely be defined as a challenging year with the wettest autumn / winter we have seen for decades. Farmers have not only faced the challenge of maximising yields and optimising soil health, but also battling against the elements to drill crops into the ground. Hoping for a kinder 2024, this blog explores options to build resilience into crop rotations aiming to cultivate a balance between high yields and optimum soil health.
Minimising cultivation
First things first, this blog is not telling you to get rid of the plough. All machinery serves a purpose, it is just about knowing when to intervene. Within systems that have reduced their cultivations or those that have been adopting conservation ploughing (i.e. ploughing one year in three or more), soils tend to be more resilient through improved soil structure. Good soil structure has a matrix of small, medium, and large pore spaces able to retain and drain water as well as provide pockets of air for respiration and gaseous exchange and water for nutrient exchange. When we till the soil, especially when ground conditions are sub-optimum, we run the risk of squashing the pores and causing compaction and soil degradation, reducing water infiltration, increasing anaerobism (lack of oxygen) and building up toxic gases, all contributing to poor soil health and disappointing crop yields.
Carry out a VESS: Visual Evaluation of Soil Structure
It is important to get out there and dig holes; get to know your soil and how it behaves under certain environmental conditions. When you assess the soil structure, look for compaction and note its depth. Can this be remedied by deeper rooting species, or does it require mechanical intervention? Always keep the depth in mind as it’s no good going in too deep or too shallow.
Diversity
Sustainable rotations begin with diversity. A multipronged approach combining arable crops, legumes and cover crops takes full advantage of all the tools we have in the box as arable farmers. Diversity in species above ground matches diversity in species below ground: helping to break pest and disease cycles and improve soil health through provision of various rooting architecture, root exudates and crop residues. The soil is alive and many of the nutrients available to crops and plants come from the activity of soil-dwelling organisms that are busy stabilising, consuming and releasing nutrients for the benefit of the crop. Diversity in crops and roots therefore contribute a rich source of food for soil fauna to feast on, enhancing soil fertility and subsequent crop health and crop yield.
Where pests and disease more commonly thrive is within monocultures e.g. continuous cereals. We are seeing an increasing reliance on chemicals to control and abate problems within these systems, depleting our soils of beneficials in the process. Similarly, a lack of diversity in roots are only supporting a limited community of microorganisms. This is not sustainable; therefore, we must explore how we can incorporate more species within the rotation. OSR is one of many good examples. It has deep roots and is easily diversified with companions e.g. vetch / buckwheat / berseem clover. Maximising the number of crop species in a rotation will optimise the diversity of organisms below ground.
On farm, an easy way to measure how biologically active our soils are is by monitoring earthworm numbers. Earthworms are at the top of the soil food web and will travel to and reside where there is lots of food; they are also brilliant at breaking down residues and redistributing nutrients throughout the soil profile. How many worms do you count in a spade full of soil? Where are you finding the most? And can those numbers be replicated elsewhere on farm?
Legumes
The blog wouldn’t be complete without talking about legumes. Approximately 78% of the air is nitrogen. If we can harness the power of leguminous plants to fix some of that nitrogen, we can cut costs by reducing the amount of artificial fertiliser whilst also minimising our environmental impact. Consider incorporating peas or beans into the rotation as stand-alone crops, clover as a companion crop or include legumes as part of a cover crop mix. Farmers are often able to reduce the amount of bagged fertiliser used after legumes.
Legumes to build fertility: field beans in an arable rotation
If possible, trial a small reduction across a proportion of the field first and see how your yields fare – you might be pleasantly surprised.
Cover Crops
Utilising cover crops between winter and spring cropping is an excellent approach to building soil health in between cash crops: stabilising soil structure by maintaining living roots in the soil throughout the year, feeding the soil biology and acting as a buffer protecting the soil from adverse weather conditions.
On top of this, one of the biggest advantages of cover crops is that they are great at scavenging and holding onto residual nutrients left over from the previous crop, reducing losses from leaching. Once destroyed, the nutrients will be released back into the soil, improving nutrient use efficiency, and potentially enabling a reduction in artificial inputs required by the next crop.
Cover crop mixes should be tailored to your needs and soil type. It’s better to choose species type based on what you are trying to achieve: building fertility, keeping the ground covered, and/or alleviating compaction.
If possible, conduct trials and aim to include 3 or more species in the mix to capitalise on diversity in both the above-ground biomass for optimised photosynthetic potential (think assortment of leaf shapes to increase surface area from which to harness the sun’s energy), and below-ground biomass through varied rooting structures, depths, shapes and sizes (pumping sugars and carbon into the soil, building soil organic matter and feeding the soil biology).
Livestock Integration
Integrating grazing livestock into your rotation offers an alternative technique to destroying cover crops whilst also adding valuable organic matter to the soil in the form of manure. Including grass and clover leys also gives the ground a break, allowing time for recovery and offers another income stream from grazing or silage / hay making. The benefits of perennial roots in the ground over an extended period, especially if a mix of roots at different depths, will help to improve soil structure and build fertility for future crops.
Grazing livestock returning soil organic matter and building soil health.
Explore the Sustainable Farming Incentive options to see if herbal leys or a 2-year legume fallow could be economically viable.
Monitoring and Adapting
It is important to remember that there is no one-size-fits-all approach; be adaptive and tailor options to local environment and conditions. Trial different methods and see which suits your system best.
Regularly monitoring soil health, accounting for all nutrient sources, and keeping an eye on pest and disease prevalence alongside crop performance and weather is crucial to make informed adjustments to rotations as needed.
In summary, farmers are in a unique position in that yes, we produce emissions in the process of producing nutritious food however, we can also build soil health and boost biodiversity simultaneously contributing to offsetting our own emissions and future proofing our farms and landscapes. Implementing a sustainable crop rotation in the UK is not just about growing crops; it’s about promoting a future where productivity and soil health co-exist. By diversifying crops, integrating legumes, embracing cover crops, minimising tillage, incorporating livestock, and tailoring practices to local conditions, it is possible to achieve a resilient and sustainable agricultural landscape supporting local and wider communities for years to come.
Announcing the launch of the 2024 Carbon Farmer of the Year Competition
February of this year sees the launch of the 2024 Farm Carbon Toolkit’s Carbon Farmer of the Year Competition. This competition champions UK farmers who are leading the way in adopting farming practices and developing new technologies which reduce farm emissions whilst optimising output, and adapting to climate change.
After the success of last year’s competition we are delighted to announce that the 2024 competition is now open for entries. Click here to learn more.
There is a growing concern about carbon “tunnel vision” in agriculture, where the sole focus is on reducing emissions without considering the bigger picture. Reducing emissions is crucial, yet it’s important to acknowledge that it is only one piece of the puzzle and focusing solely on carbon can neglect factors such as soil health, water quality, biodiversity and other issues such as pollution. There is also often concern from farmers about how the pressures to achieve net zero targets can impact profitability, especially when incentives to be net zero are limited or non-existent, and investments in the infrastructure and technology required to transition to low-carbon farming are high.
But this doesn’t have to be the case. We can use an understanding of a farm’s emissions to make informed decisions to change management practices that can lead directly to both reduced emissions and increased profitability, and we can point to an increased number of farmers who are doing just this.
Mike and Sam Roberts farm 435 acres at Blable Farm, of which a large proportion is down to herbal leys. After Sam returned to the farm in 2018 a decision was made to review the whole operation and, in conjunction with James Daniel of Precision Grazing, the decision was made to reduce the herd slightly from 180 to 150 cows, implement rotational grazing on diverse leys and to focus on reducing inputs and improving soil health.
Cattle out wintering at Blable Farm
The effects were immediate and obvious. Soil health has seen a rapid improvement with better structure, increased earthworm numbers and soil organic matter is on the rise. The grazing period has been increased from 6 to 12 months and the farm hasn’t bought fertiliser since 2021, with none being used last year. Importantly, animal performance has increased in line with improved soil health and while cow numbers were reduced initially Mike and Sam are looking at increasing numbers again. All of this has seen a significant saving on input costs which has been re-invested into the business, including a full soil audit to better understand how soil health is improving. In line with reduced costs on-farm emissions have been reduced significantly with Mike confident the farm can reach net zero within 5 years, a commitment made as part of being a demo farm for the Farm Net Zero project.
Another example of a farmer using an understanding of their carbon footprint to drive down costs and improve profitability is Tom Burge of Oaremead Farm. Tom farms 760 acres of grassland on Exmoor and runs both a suckler herd and commercial sheep flock. In 2017 Tom began shifting to a more regenerative farming system which predominantly focussed on an improvement in grazing management, once again aided by James Daniel from Precision Grazing.
Over 5 years, Tom has completely cut out the use of artificial fertiliser and reduced his feed use by over 70%. This has been made possible by an increase in dry matter grown of 0.9 tDM/ha, through improved grazing management, and has reduced input costs by 50%, with a similar reduction in emissions from inputs, as shown in the chart below. Crucially the farm is now profitable before taking into account income from subsidies and environmental schemes. In the next 5 years, Tom plans to completely cut out bought-in feed and to have halved fuel use and, like Mike and Sam, be well on the road to net zero while remaining highly productive and profitable.
Oaremead Farm emissions from inputs
These are just two of an increasing number of examples that we are coming across as we work with more and more farmers who are using their carbon emissions as just one metric to help improve their farm businesses. And far from impacting just a farm’s emissions and bottom line, the management changes that are being implemented are having beneficial impacts on those ecosystem services mentioned previously, soil health, biodiversity, water quality and reduced pollution. Proof if ever it was needed of the potential for long-term sustainability within our farming systems.
We’re excited to share a series of five new videos that showcase some of the farms in Cornwall that are part of the Farm Net Zero project.
Each video shares a different farm’s journey as it works to improve the environment, produce nutritious food, while also responding to climate risks, such as flooding. There is a specific focus in these videos on how the farms are engaging within their local communities, to help tackle these issues. The Farm Net Zero project includes practical advice for farmers on how to reduce greenhouse gas emissions, showcases innovation, provides robust science through soil testing and carbon footprinting, and inspires other farmers to tell their stories to consumers on the steps that they are taking to address climate change and protect soil health.
The full-length video below includes all of the following five stories. If you prefer to view each story separately, please simply click on each of the links here:
Written by Becky Willson, Business Development & Technical Director.
Manure is a fantastic on-farm resource. This is because it can deliver a source of nutrients that can be used to grow crops, as well as enhancing soil biological activity, feeding the soil microbes and helping provide a steady supply of organic matter. This can ensure that soils are in the best condition structurally, chemically and biologically. Manure is one of the most important resources that is produced on-farm, and should be valued rather than seen as a waste product.
A key way to be able to reduce reliance on fertilisers is to develop efficient and effective strategies for managing nutrients and manures on-farm.
Nutrient management planning
Managing nutrients in a systematic way through planning is a vital aspect of sustainable farming. It is a ‘win-win’ practice which generates advantages across economic and environmental parameters, and allows for the creation of a sustainable agricultural system which is resilient to climatic and economic change.
Nutrient management planning facilitates optimal use of nutrients from all available sources. Matching inputs of nutrients (from fertilisers and organic manures) to the demand from the crop will allow for an optimal yield, minimise the use of nutrients (which saves costs) and minimises the risk of losses to the environment from nutrients.
Slurries and solid manures are valuable fertilisers but may also be potential sources of pollution. Within increasing economic and environmental pressures on farm businesses, it makes sense to exploit the fertiliser value of manures while taking action to prevent pollution.
Most farm assurance schemes require a manure management plan to be completed as part of the certification process. However even without the compulsion of a scheme, having a plan which marks out any environmental features, watercourses, sloping fields which may cause run off and any areas will be a useful resource to consult before applying manures.
The need for effective manure management
The most effective way of dealing with livestock manures is to apply them at appropriate rates to agricultural land for the benefits of soil and crops. Getting manure management right allows for sustainable use of resources which provides economic savings and reduces the amount of artificial fertiliser that is required. Manures, when stored and applied correctly have fantastic benefits in building resilience within your farming system, cutting costs and lowering your carbon footprint, however if they are applied in too high a quantity or at the wrong time of year then they are an environmental risk. So it is the job of farmers to maximise the benefits that can arise and minimise the risks.
Nutrient management planning to mitigate greenhouse gas emissions
Nitrogen emissions to the air from farms include greenhouse gases, the most potent of which is nitrous oxide. Nitrous oxide is one of the biggest contributions that agriculture makes to climate change. Soil nitrous oxide emissions originate from three sources, soil microorganism activity (55%), organic manure applications (18%) and Nitrogen fertiliser applications, (27%). As such, careful management that maximises the efficiency of any fertiliser applied, takes account soil and climate conditions, and uses the nutrients within manures for crop growth will help to reduce the amount of nitrous oxide lost.
Nutrient and manure management planning will also help reduce ammonia emissions. While ammonia isn’t a greenhouse gas, it negatively impacts air quality and human health. The amount of ammonia which is lost depends on a variety of factors including manure type, the method and timing of applications, soil pH, the weather conditions at spreading, the soil moisture content and how the manure is stored. As such there are a variety of mitigation options available that are made easy by planning how manure is managed to reduce these risks.
Soil Testing
Although not always considered as linked to nutrient management planning, monitoring and controlling the pH of soils on-farm is the first step toward good nutrient management. If soil pH is not correct then any nutrients that are applied through fertiliser or manure applications will not be available to the crop and may be lost from the soil incurring costs, reduced yields and pollution issues.
Effective use of manures – Storage
Having sufficient slurry or manure storage means that effective nutrient management planning is much easier. With sufficient storage capacity, slurries and manures can be applied at the optimal time for plant growth and crop uptake, as well as being applied when the soil and field conditions are right and damage (including compaction and run off) is minimised. However for some farmers who don’t have enough storage, slurry has to be spread in less than ideal conditions, when there is little crop growth and nutrient uptake. It is in these situations where environmental losses can be the highest.
Thankfully there are ways that storage can be optimised. This can include minimising the amount of rainfall that is able to enter the store. Rainfall can dilute the nutrient content of the slurry but also costs more in manure application – more water is held within the slurry leading to a higher volume to be spread. Mending guttering, diverting clean water away from stores and covering yards to minimise the amount of water that is entering the store are all low cost ways to help maintain the nutritional value of the manure and also reduce costs. Covering stores is also an option and there are various cover options that are available depending on the store type and design. Floating covers will also reduce the amount of ammonia which is released into the atmosphere which has air quality benefits.
With solid manure it is important to consider the siting of field heaps and managing the heap to ensure that Nitrate leaching is minimised. Composting of FYM will provide a more stable and uniform material which will have benefits for soil biology, but will not provide such a high readily available Nitrogen source as fresh manure.
Effective use of manures – Application
Ensuring that manures are applied at the right rate and the right time is the most important step to reducing environmental risk and improving economic performance of the farm. The method of application can affect the amount of nitrogen that is available to the crop. Although the total nitrogen content within the manure cannot be altered by the method of application, the proportion of the nitrogen that is available to the growing crops is improved by using low trajectory machinery.
Spreader technology has developed over recent years so that now there are numerous options available for spreading slurry (where losses are potentially higher). Broadcast spreaders will waste nutrients, but this can be minimised by using injection or band spreaders which put the slurry directly on the soil surface or into a narrow slot. For solid manures, the evenness of spreading is far improved by using a rear discharge spreader. If manure or slurry is to be incorporated, ensuring that it is done quickly after application and not just left on the surface where the nutrients may well be lost is important.
Optimising the use of manures and slurries on-farm will provide benefits through improving profitability, resilience and soil health. For more information on manures and nutrient management planning please visit the FCT toolkit pages to access a range of resources.
As a grower of organic vegetables, my day always starts on the farm.
Depending on the time of year, I need to open polytunnels, water plants, and harvest crops. I sell all my produce locally on the Isles of Scilly where I live and work, so once harvested I will go and deliver the veg to the point of sale. I also have to fit in planting, sowing, weeding and other jobs.
Being a grower gives me huge pleasure, despite the challenges, but also a grounded perspective on farming, growing and carbon management on farms. I look at my farm often through a carbon lens, and making management decisions to minimise carbon emissions, whilst maximising carbon sequestration feels second nature. My farm business has been consistently carbon-negative for many years.
After lunch, I put a different hat on and work for Farm Carbon Toolkit as the Impact Manager. Having previously led the Farm Carbon Calculator development (since its creation in 2009), this new role gives me a different perspective on the organisation. My primary aim is to understand how we measure the impact of the work we do, and to help the organisation increase its impact. Many organisations in the social enterprise sector are very driven by social and environmental change, but can easily overlook how effective their work is and what change it’s delivering. After all, this is a primary reason many of us in FCT are in the organisation!
Day to day, I work across the organisation in trying to measure what we do currently, and how to collect that information. Once I have that, I’m involved in understanding what the opportunities are for change in the way we operate. This work feeds into the day-to-day work on communications, as well as the longer-term strategy work focussed on the next three years. At the end of the day, we want to help as many farmers and growers as possible reach carbon net zero or beyond.
As a Director, I also have oversight of the organisation, and this is a role I enjoy a lot. However my favourite parts are talking to the farmers and growers who are on the journey to net zero – or already there, and seeing the changes they’ve implemented. That is always inspiring and makes the work of the organisation very tangible.
Thursday 11th January 10 – 2pm, Trewidland Village Hall (with an opportunity to go to Anthony Ellis’s farm Pensipple if the weather permits).
Tim Parton is a world-renowned regenerative farmer and Nick Woodyatt is a soil health consultant with a wealth of experience. This meeting will focus on the finer details of how you can get started with foliar feeding to improve yields, soil health, and reduce input costs.
This event follows the meeting on Wednesday the 10th at Chapman’s Well and will focus on the practicalities of foliar feeding.
Please meet at the village hall PL14 4ST: (What3Words///headset.producing.tasters)
Written by Emma Adams on behalf of The Farm Carbon Toolkit
In a first for the Soil Farmer of the Year competition, in October 2023 our series of farm walks took place in Northern Ireland. A group of farmers, academics and industry professionals met at Drumard Farm, just outside Cookstown in County Tyrone, to hear from Bronagh O’Kane on how she is transforming her farming business with resilient soil at its heart.
Bronagh introducing the farm to the group
Having come back to the farm in 2020, Bronagh began a journey to transform the soil. Historically the farm supported continental cattle breeds with a high reliance on imported feed, Bronagh has transitioned this system to more traditional breeds managed on herbal leys and ever-increasing diversity grasslands. Utilising a rotational paddock system she has extended the grazing period so that cattle can be out by 4 weeks and soils are more resilient to the extremes of dry and wet weather. Bronagh has started producing vermicast and composting to improve soil biology; focusing on natural inputs and a softer approach with foliar fertilisers where needed to manage historically compact and imbalanced soils. The walk will provide the opportunity to discuss and demonstrate the practices undertaken at the farm and the ongoing challenges and successes that Bronagh sees in her system.
The beginning of the farm walk
At Drumard Farm, Bronagh was told she had poor soils and no doubt they are a challenge, with testing suggesting an average of 45% silt and 45% clay they are tight and sticky, with little aggregation or infiltration. As such, understanding what was needed for the soil to function better was a priority for Bronagh, with a great deal of research it was understood that the high magnesium, bacterially dominant soils were being held back by a mineral imbalance, compaction from big tractors and heavy cows.
Inspecting the soil condition following the autumn rain
Changing the livestock system at the farm has been central to Bronagh’s evolving management. The cattle business has been streamlined, and as such the previous finishing and store systems have been stopped instead to focus on a suckler system with pedigree Charollais sheep. The sheep are high value stock, as Bronagh suggests there isn’t the acreage for a larger flock, instead, she buys in September before selling the ewes with lambs at foot in the spring and runs the rest of the flock throughout the year. This system works well as there is the housing space available over winter and also the sheep provide a good opportunity to clean up the last of the grass when it is too wet for the cattle to graze. Previously the farm also had Charolais cattle, but these have been restocked, reducing numbers from around 80 to 50 on a sucker system focussing on more native breeds such as Speckle Park, Shorthorn and Hereford crosses with an Angus Bull. Even with these changes, Bronagh found that those animals with a Limousin cross within the breeding still comparatively lost condition on the new system which is thought to be from underlying epigenetic traits. This has led Bronagh to source more local Shorthorn heifers which are better adapted to a grass-based system.
Bronagh utilises plant diversity as an indicator of the status of the soil. The species that may dominate in a field or area can suggest what the underlying composition may be – chickweed for excess nitrogen, low calcium or high potassium or creeping buttercup thrives where there has been poaching, bare soil and a low pH. Like many farms, docks have historically been widespread at the farm, often indicating compaction and an anaerobic soil environment. Bronagh’s approach to dock management is to change what has historically not been working – sprays and topping – and instead let them grow and allow the dock beetle to get to work combined with a cut for silage around June. This understanding of what the plants are indicating has led Bronagh to stop spraying and minimising fertiliser use to zero, instead focusing on balancing the soil and improving the health of the biome. She explains:
“Biodiversity, long rest periods and grazing management can change soils – you’re not stuck with what you have”
Grassland management is central to how the business is now run. Bronagh has diversified existing grasslands into multi-species swards despite the testing conditions and low pH of the farm. On the walk, the group visited a newly established herbal ley that had been planted in a field that was pH 5.8.
The newly established multi-species herbal ley
The 15-way mix contained species such as sainfoin, plantain and chicory and Bronagh has subsequently experimented with both cutting and grazing, which has led to discussions with contractors on cutting heights, timings and more to best maintain the sward. For Bronagh, managing these lays to allow the full diversity is important, with the understorey plants encouraged through the aforementioned considerations in combination with the paddock grazing system. Bronagh has experimented with the paddock grazing timings and methods, including grazing the cows on knee-high swards which resulted in moving them faster but increasing the size of the paddock as the cows were found to be trampling rather than eating following heavy rain. Bronagh suggests:
“The definition of overgrazing is letting them get that second bite – it is so important for my fragile, shallow roots to rest”
In addition to the home farm, Bronagh also has a 30ac National Trust tenancy on a zero-input system supporting both a rotational grazing and cutting platform. For Bronagh, having the right livestock that will thrive on a grass based system is key to success. As such, she puts the heifers on the poorest fields to determine which animals will be kept as some breeding is adapted better to the system than others.
The walk also incorporated learning more about how Bronagh is using vermicast to provide nutrition and balance to her soils. Vermicast, or worm castings is made by using worms to compost organic amendments such as farmyard manure, food waste, wood chip etc to create a soil conditioning fertiliser.
Worm farm whereby organic materials are broken down to create the vermicast
On the farm, vermicast is used to provide nutrients, stabilise pH and also as a coating on any new seed that is established. Bronagh applies her vermicast through a sprayer after making a ‘compost tea’. The vermicast is added to a porous ‘tea bag’ within an IBC filled with water which is then agitated and aerated using a bubbler to extract the nutrients and beneficial organisms which vermicast contains, the resulting liquid is then applied to land to stimulate soil biology and provide nutrients. Bronagh is aiming for a 1:1 ratio of fungi to bacteria which the vermicast and good soil management will help promote.
Bronagh explains the process of using vermicast to make a compost tea
Regularly conducting Brix testing has allowed Bronagh to understand how to best apply the vermicast and the benefit it is having to her land, with fields which have had no fertiliser, slurry or inputs other than vermicast scoring 12, with Bronagh suggesting that every 1% increase in a Brix result can give a 0.5-0.75kg improvement in liveweight gain in the cattle. Any amendments which Bronagh applied to the land are designed with this goal in mind, alongside the cost and feasibility within her system. An example of this is that she has been experimenting with using egg shells to help aid the calcium balance and flocculate the soil; this can be spread with a conventional fertiliser spreader rather than other products which can have additional costs due to the price of both material and the contractor required to apply the product.
Since 2015, the Soil Farmer of the Year Competition has helped to find, promote and champion UK farmers who are passionate about safeguarding their soils and building resilient businesses. As part of the competition, the top three farmers host farm walks that bring farmers together to share good practice and innovations that improve soil health. The 2024 round of the competition opens on 5th of December 2023, which is World Soils Day – if you are interested in finding out more, entering the competition or nominating someone who you think is deserving of this award further details can be found on the Farm Carbon Toolkit website or https://farmcarbontoolkit.org.uk/soil-farmer-of-the-year/
Welcome to our January Farm Net Zero update, sharing news for our farmers, growers and the wider community this project supports.
(Image above: Dr Dave Davies from Silage Solutions presenting to Farm Net Zeroat our silage event)
Recent news and events
Oxford Real Farming Conference: January 2024
On the 5th of January, Farm Net Zero will be presenting in a session entitled “It Takes a Farm Community to be Net Zero: A Case Study from Cornwall” at the Oxford Real Farming Conference. We are very much looking forward to showcasing the fantastic work our Demo and Monitor Farmers are doing and look forward to seeing some of you there. Hannah Jones will be introducing Farm Net Zero Demo Farmers Andrew Brewer, Mike Roberts and Anthony Ellis, who will be speaking about their experiences of reducing their farm carbon footprint. The session will also include a recent film of some of the Farm Net Zero farmers talking about the benefits of being part of a community. The film will be available on the Farm Net Zero webpage after the conference. Learn more here
Optimising Silage Production
On the 16th November, Dr Dave Davies from Silage Solutions spoke at our silage event hosted by FNZ monitor farmer Phil Kent at Higher Carruan, St Minver. Dave took us through how to optimise silage production to reduce waste and maximise the quality and quantity of feed from the amount of fossil fuel used in silage production. We were also able to look at the Kent family’s self-feed silage clamp; and how this is saving costs and reducing emissions from machinery used for feeding cattle over winter. Learn more here
Self-feed silage in action
Integrating Livestock and Trees
Dr Lindsay Whistance from the Organic Research Centre spoke at our event on integrating trees and livestock at FNZ Demo Farm, Blable near Wadebridge on the 27th September. Lindsay presented the results from a range of studies into animal behaviour in agroforestry systems and emphasised the importance of trees for optimal livestock performance through temperature regulation and feed value. Incorporating trees into the farm system benefits animal welfare and helps to reduce the farm’s carbon footprint. Learn more here
Attendees feeling the benefit of the hedgerow on a windy day
Lessons Learnt at Erth Barton
“Lessons Learnt at Erth Barton” on the 18th October summarised the work of Demo Farmer Tim Williams as he prepares to move on to new opportunities. Tim gave us a round-up of the successes and challenges he encountered during his time at Erth Barton, including introducing cattle rotational grazing of diverse herbal leys, pasture cropping and the use of compost as a soil health conditioner. We would like to thank Tim for his contribution to the Farm Net Zero project. Learn more here
Tim Williams and the power of plant roots
FNZ Agronomists’ Workshop
At the end of November, we organised a workshop for agronomists at Trethorne Leisure Farm where we were able to discuss some of the findings of the Farm Net Zero trials. This was a great chance to develop ideas and bring together the knowledge and experiences of agronomists and the Demo and Monitor Farmers. We had some excellent conversations on the results of the trials and the potential opportunities they present for farmers as the new Sustainable Farming Incentive comes into force. Learn more here
This year’s soil sampling is now complete and it has been exciting to see how the soil has changed since 2021. The soil carbon results are now being used to update carbon footprints, and it has been good to see some footprints reduced through soil carbon sequestration. We have a range of farm types on the project, to reflect the variety of farming found in East Cornwall. There are 4 market gardens, 10 dairy farms and 29 mixed livestock and arable producers (ranging from pasture-fed livestock to varying levels of cropping) on the project, and we hope to be able to pick out trends in carbon footprints based on farm type as we build the database year-on-year.
Community engagement
In September, Westcountry Rivers Trust held a Beneficial Bugs ID session at Community Roots market garden, near Porthtowan. On-site, there are many wild boundaries and herbaceous borders running across the beds to encourage pollination and provide year-round habitat for beneficial predators.
Westcountry Rivers Trust – Beneficial Bugs ID Session
Project officer Zoe Smith said: “Even this late in the year, we turned up plenty of interesting specimens from different areas of the garden with our pooters.
We also looked at some companion planting within the polytunnels and participants made a bee hotel log to take home to support bees in their own gardens.”
A Soil Health Indicators session at Loveland, Penryn, in October also took place. Several enthusiastic people brought soil samples from home to analyse, as well as digging soil pits in the garden itself and comparing compacted areas on the track with less intensively used grassland areas.
We’re still looking for new locations to run climate friendly gardening workshops.
If you have an allotment, community garden or smallholding within east or central Cornwall you are proud of, and are willing to share your story, please get in touch with Zoe via zoe@wrt.org.uk.
Current farm field trials
A little insight into some of the fab field trials currently underway as part of the FNZ project:
Targeting pathogens and weeds with compost managementThe first year of the compost field lab has produced some exciting results. Making compost on site can help growers capture carbon, retain nutrients, and reduce the dependence on bought-in fertiliser. But there is always a fear of spreading disease and weeds within the compost. To see if they could safely compost weed seeds and diseased material, one trialist tried burying them in the compost in bait bags. After 12 weeks they found that composting had killed the plant pathogen and turned weed propagules (bindweed and oxalis) to dust. For more information on how the trial was carried out, and other results, have a look at the Innovative Farmers website: Optimised compost management for productivity and soil health (innovativefarmers.org)
Update on Innovative Farmers field lab looking at reducing tillage in maize trialBy testing alternatives to ploughing, farmers are hoping to reduce the harmful impact of maize growing on soil structure, causing less erosion and runoff and reduce costs by using less fossil fuels. Results from the trial are still being processed but our initial thoughts are noted here. There are 3 fields with different systems:
The first set of results comparing strip till with ploughing showed that a strip till system didn’t result in visibly lower yields than a standard plough based system. When the weight of the yields were compared they showed that strip tilled plots had 5% less yield than ploughed strips, but with a significantly lower cost of production with less time and fuel use. There were more weeds present in the strip tilled area despite the same herbicide treatments on all plots. However, this was mainly grass weeds and biennial crops like thistles which were not effectively controlled by the pre drilling glyphosate.
In the second field the comparison was between a strip till, light cultivations and direct drilling. Drilling system and pre drill cultivation did have some effects, with the highest yield being a strip till plot followed by Min-till , and the lowest yield being direct drilled although differences were not large. There was again little to see from what the crop looked like to determine which was better without the weights.
The third set of results are still to be analysed.
Oxford Real Farming Conference, Oxford (various locations)4th-5th January 2024FCT is proud to be presenting at the famous Oxford Real Farming Conference next January. FCT’s Liz Bowles joins the panel for the ‘Capturing Carbon: Joining the Dots Between Policy and Practice’ session at 11am on Friday 5th January. At 2pm, FCT’s Hannah Jones chairs a panel session with farmers Mike Roberts, Andrew Brewer, and Anthony Ellis, asking ‘How can a farm reach net zero?’, along with a 20-minute video that features 5 farmers from the Farm Net Zero project FIND OUT MORE
Rootstock, Westpoint Exeter, Devon14th February 2024Organised by the Devon County Agricultural Association charity and hosted at its headquarters at Westpoint Exeter, Rootstock is a one-day, forward-looking conference for farmers in Southwest England. In its second year, this new conference brings farmers and researchers together to explore how farmers can build sustainable profitable businesses in tune with natural processes. Full details of the 2024 conference will be available shortly, including the topics for discussion and speaker announcements. FIND OUT MORE
You’ll find a full range of relevant events on our website.
We will be continuing to run a series of Farm Net Zero events in 2024, drawing on the needs and interests from the community of farmers. These will be advertised on our website and through this newsletter. If you have any suggestions for events we could run, please let us know.
Getting in touch
As ever, if you have any questions or ideas that would further support the community of farmers that we are working with, please get in touch with the project team (contact details below).
All information about the project including upcoming events and resources are available on the Farm Net Zero website. If there is anything you would like to see featured please let us know.
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