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Crop yields and nutrient balance in rotations on a dernopodzolic soil under different systems of fertilizer application

Demin, V.A.; Ruzleva, N.I.

Izvestiya Timiryazevskoi Sel' skokhozyaistvennoi Akademii 6: 64-71

1985


Accession: 001328348

In trials in 1982-4 on a dernopodzolic soil with medium (plot 1) and increased (plot 2) content of available P and medium content of available K, the targeted yields of 4 t grain/ha in winter wheat were obtained by applying N + P2O5 + K2O (NPK) at 175 + 100 + 140 kg/ha and of 25 t tubers/ha in potatoes with NPK at 125 + 70-90 + 240-250 kg/ha. The highest yield of 3.45 t grain/ha (24% less than targeted) in barley was obtained with NPK at 120 + 55 + 50-115 kg/ha.

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