Jameson Premium Seed 2025 33 FERTILISER Boost growth by feeding grass properly • FERTILISING GRASSLAND • Feeding grass and forage crops properly – with manufactured fertilisers or slurries and manures, can boost growth.This means bought-in feed requirements can be reduced with potential savings to your business. • Lime grassland on mineral soils to pH 6.5 and on peaty soils to pH 5.3 • Aim for soil P Index 2 and K Index 2-. Apply manures/ fertiliser where possible to fields with indices below this target • Replace K (Potassium) removed in grass cut for silage • Avoid large single applications of K in spring or in fields used for grazing • pH - LIME: your best investment! Correcting the pH status of the soil by applying lime is a simple and effective way to increase grassland productivity. Do not apply more than 5t lime/ha in any one season and don’t re-test for a year as it takes between 9-12 months for pH to increase. • N - NITROGEN - the key to achieving high dry matter yields and essential for the conversion of protein into meat and milk.The source of nitrogen is also important with the two primary sources being ammonium nitrate and urea.Applying too much N can cause high ammonia levels in silage, leading to reduced intakes. • P - PHOSPHOROUS - essential for crop growth and root development providing anchorage, and efficient N uptake. Phosphorus deficiency is usually seen in early spring when soils are cold and wet. • K - POTASSIUM - transports nutrients around the plant, taken up in large quantities during the rapid growth phases in spring and early summer, crucial under a cutting system. Excess potassium can lead to an increased risk of staggers in livestock. • MAGNESIUM - The correct balance of Potassium, Magnesium and Sodium is essential to reduce the risk of staggers (hypomagnesemia). Plants will take up potash in the spring at the expense of Magnesium so it is best to avoid potash applications in the spring. Call us on 01765 689666
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