Effect of fertilization on the accumulation of nitrates and heavy metals in soil and plants and on the yield of grain in a grain-fallow-row crop rotation
Myazin, N.G.; Pavlov, R.A.; Sheina, V.V.
Agrokhimiya 2: 22-29
In the forest-steppe zone of the Voronezh oblast, the annual application of N50P5OK50 its mineral fertilizers and of 30 t/ha manure to fallows is necessary to provide high grain yields in a grain-fallow-row crop rotation (no less than 6 t g.u./ha) on a typical chernozem with the medium phosphorus supply and the increased potassium supply.