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The effect of 50 years' application of organic and mineral fertilizer upon the fertility of podzolized chernozem in the central forest-steppe of the right-hand bank of the Ukrainian SSR. Part 1: The effect of systematic fertilizer application on the nutrient balance and organic matter of soil in a cereal-beet-vetch rotation

Martynovich, L.I.; Martynovich, N.N.

Agrokhimiya 1: 30-41

1989


Accession: 001970822

Over 50 years observation of an 8-11 course rotation showed that where no fertilizers were applied, nutrient removal by crops was upto 4.6t/ha N, 2t/ha P2O5 and 4.9t/ha K2O. Systematic application of organic and mineral fertilizer, the latter at rates of N 468-629, P2O5 381-541, K2O 711-955 kg/ha over the rotation, increased nutrient removal by 27.8-42.3% N, 23.4-36.7% P2O5, and 31.1-48.8% K2O.

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