Forage crop rotation productivity and the fertility of irrigated soddy podzolic soils under various fertilization regimes
Demin, V.A.; Pravda, I.I.
Izvestiya Timiryazevskoi Sel'skokhozyaistvennoi Akademii 3: 3-11
Combined application of commercial fertilizers at the rate of 115-170N62-80P127-145K and 17 tons of manure/ha was the most effective in crop [barley, peas, oats, rye, maize, potatoes] the most effective in crop rotation productivity, produce quality, soil fertility improvement and fertilizers economic efficiency on cultivated soddy podzolic medium loam-soil in fodder crop rotation for 1976-1982. Under irrigation it is reasonable to increase average rates of commercial fertilizers/ha up to 170-212N102-140P198-222K in combination with 17 tons of manure.