Ensuring the carefully managed application of all nutrients on farm, including organic materials, helps to reduce the loss of nutrients that arises when the crop is removed at harvest. Careful planning that maximises the efficiency of manures and manages them better can help reduce the amount of nitrogen that is lost as nitrous oxide.
Incorporating organic materials (e.g. composts and manures) plays an important role in increasing levels of organic matter in soil. It can have important agricultural and ecological benefits, such as reducing fertiliser requirements, improving soil condition and biological activity.
A nutrient management plan (NMP) is a written plan that describes how the major plant nutrients (nitrogen, phosphorus, sulphur and potassium) will be managed on farm. The plan aims to maximise production and ultimately profit from nutrient inputs whilst avoiding or minimising adverse effects on the environment.
An NMP will: