Fertiliser granules containing nitrogen, potassium and phosphorus

摘要

This invention concerns fertiliser granules containing magnesium, potassium, phosphate, sulphate and nitrogen in the quantities given here, where at least 30.b.-% and in particular 50% of nitrogen contained in the fertiliser granulate is present in the form of urea and can be present up to 70.b.-% prehistorically up to 50% of the nitrogen contained in the fertiliser granulate in the form of ammonium.