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Effect of different rates of mineral fertilizers on tuber yield and quality of potatoes grown on peat-bog soil


, : Effect of different rates of mineral fertilizers on tuber yield and quality of potatoes grown on peat-bog soil. Trudy Velikolukskogo Sel' skokhozyaistvennogo Instituta (22): 53-56

In trials in 1968-70 on peat-bog soil with potato Stolovyi 19 given various rates of N, P and K, increasing the rate of applied N from 30 to 60 kg/ha and that of applied K2O from 80 to 160 kg/ha increased average tuber yields by 3.38 and 4.77 t/ha, respectively. Yields were increased from 18.64 t/ha on unfertilized plots to 30.98 and 29.29 t/ha by the application of 30 kg N + 45 kg P2O5 + 80 kg K2O/ha and 45 kg P2O5 + 160 kg K2O/ha, respectively.

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