The steps which must be taken may be summarised as follows:

  1. Apply the correct amounts of fertilizer at the The-Fertilizer-Association-of-Ireland-9right times and at the right rates in suitable conditions.
  2. Care must be taken at all stages in the collection, storage and application of animal manures. It must also be applied in the correct amounts at the right times, in the right places, and in suitable conditions.
  3. Determine crop requirements by soil testing and cropping history. Correct Nutrient Management Planning means using organic manures efficiently and making up the balance with inorganic fertilizers to meet requirements.
  4. Avoid leaving soil bare in winter wherever possible.

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P & K Calculator

The P & K calculator is an online calculator for estimating P and K fertilizer requirements for grassland and crops. It is available online, or via the iOS and Android Smart Phone Apps.P & K Calculator