Spreading nitrogen and sulphur at the same time means more grass
Applying fertilisers containing nitrogen and sulphur means the grass uses nitrogen more effectively, you get more kgs of dry matter per kg of nitrogen that you apply
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The Importance of Effective Use of Cattle Slurry in Spring
Effective utilisation of cattle slurry in spring is a key component of nutrient management, offering both agronomic and environmental benefits. Spring application allows farmers to recycle valuable nutrients at a time when grass demand is increasing, reducing reliance on mineral fertilisers while improving nutrient use efficiency.
Cattle slurry is a significant source of nitrogen (N), phosphorus (P) and potassium (K), all of which are essential for early season grass growth. When applied in spring, cooler temperatures and lower risk of volatilisation help retain more nitrogen in the soil, lowering the mineral nitrogen requirement. Slurry should be prioritised on silage fields to replace the high P and K offtakes of silage crops.
To maximise nutrient use efficiency, slurry should be applied at the correct rate, under suitable soil and weather conditions, and using low-emission slurry spreading (LESS) technologies such as trailing shoe or dribble bar systems. These methods reduce ammonia losses, increase nitrogen availability to the grass, and minimise odour issues. Applying slurry at the onset of grass growth and avoiding waterlogged, frozen or saturated soils is essential to prevent nutrient runoff and leaching.
From an environmental perspective, effective slurry management plays a vital role in minimising pollution. Targeted spring application reduces the risk of phosphorus losses to watercourses and helps protect water quality.
In summary, well-timed and well-managed spring slurry application enhances grass growth, improves farm profitability, and supports environmentally responsible farming practices.
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