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Have you carried out a nutritional review?

'Versatility' has become 'the norm' for many people across the globe following the many and varied extreme events of the past four years. More specifically within UK agriculture, there have been the challenging unseasonable weather patterns during autumn and spring. These have affected growers' annual cropping plans, key agronomic timings and fertiliser applications.

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Urea stewardship scheme - everything you need to know

DEFRA's consultation on reducing ammonia emissions from urea fertilisers closed in January 2021, but it wasn't until April of this year that the outcomes were clarified. 

Now that we can consider all the details, I've outlined some Q&As to offer more context to the new regulation and what it aims to cover.

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Minimising nitrogen losses in your fertiliser programme

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Last year, I wrote a blog on how to increase nitrogen use efficiency (NUE) to improve your farm efficiency rating and part of this looked at the impact of nitrogen losses.Following on from this DEFRA recently announced a non-regulatory approach which outlines how to reduce ammonia emissions from any urea-based fertilisers.

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The fourth major plant nutrient

​The low levels of sulphur we see today are not a new problem. Rather, it is something we've been aware of for over 30 years; ever since the first sulphur-deficient oilseed rape crops were seen on very light soils. Over time, this deficiency has progressed and now impacts virtually all crops and soil types. By looking at the factors that influence sulphur availability, you can make informed decisions and opt for products that match your crops' sulphur demand. 

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Spring blog series: Increase NUE to improve your farm efficiency rating

If a production system experiences losses, its efficiency is going to be reduced. Often this can lead to a reduction in output too and, if losses are severe enough, even an increase to overall running costs.

If we look at this in relation to our fertiliser programmes the risks are similar, so preventing any losses can lead to some real gains. For example, by reducing the CO2e/t of production you could improve your margins and simultaneously benefit the environment.

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Potatoes - Meeting nutrition demands

Potatoes are not unique in this respect, but virtually all of their macro-nutrients applications are made before the crop is planted and well before the peak uptake of nutrients that happens 60-75 days after emergence. This, coupled with the plant's naturally poor inherent ability for rooting, means that efficient uptake of nutrients is always challenging.

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What are the nutrition implications following the autumn/winter rainfall?

Well, it won't be surprising to learn that many soils will have lost nitrogen via leaching.

To demonstrate the impact, AHDB has produced a map to show the winter rainfall classification. This forms part of the RB209 book method for producing a Soil Nitrogen Supply (SNS) index and is a good starting point as you begin to look at your nitrogen programme for this spring. 

However, rather than rely solely on this information, our team at Frontier decided to carry out the measurement of Soil Mineral Nitrogen (kg N/ha) at a number of nationwide trial sites. The findings are outlined in the below table.

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Do you have a phosphorus problem?

In the UK, we don't have a domestic supply of artificial phosphorous fertiliser and so are therefore reliant on imported sources of nutrient phosphorus. Part of this means that we often experience some volatility in pricing, usually influenced by fluctuations in currency, available volume, country of origin and – more recently – political developme...

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Maximizing grassland production

Much of the grass in Herefordshire, where I am based, suffered during the difficult weather conditions of 2018 and consequently producers should focus on optimising nutrition to restore both quality and yield potential to former levels, with K and S being essential in this process. This season NKS fertilisers containing potash and sulphur alongside...

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