Mineral fertilizer, in particular intended for meadows and grazing land and method to produce it

摘要

mineral fertilizer intended in particular for pasture and grazing land contains separated sludge from processed slurry filtration, fertiliser ammonium sulphate salt potasowu0105, ground magnesite and compounds with micronutrients fertilizers in particular, copper, manganese and zinc, with a ratio of n: p2o5: k2o: mgo are respectively 1.0 - 1.5 1: 0.8 - 1.2: 0.4 - 0.7, and the contents of copper, manganese and zinc are respectively 0,05 to 0.2 weight percent cu, 0.1 to 0.3% by weight mn and 0.05 to 0.2% by weight of zn. the subject of the invention is also a way to receive fertilizer.