Using manures more effectively is one way to mitigate increases in the cost of fertiliser. This will allow a lowering of the fertiliser requirements on livestock farms without risking a reduction in grass production.

Grass is a vital part of any livestock enterprise and remains the most dominant and economic feed for the dairy, beef and sheep sector either as grazing or conserved forage; but what is the real value of grass?

Phosphorus is a key nutrient for grass, and its role in energy supply, root growth and tillering makes its availability crucial for grass growth in the spring.