Abstract
The influence of mineral nutrition on the formation of potato yield under conditions of the Southern Urals has been studied depending on variety and density of planting. The quantitative assessment is given in the influence of agronomical practices on indicators of potato productivity. It is demonstrated that the cropping power of potato in the forest-steppe zone of the region depends mainly on the density of planting (factor contribution: 57.4% in experiment one and 46.6% in experiment two, respectively) and the level of mineral nutrition (36.1 and 42.7%) depends to a lesser degree on the genotype (5.0 and 8.0%). Under these conditions, it will be expedient to employ balanced fertilizer norms calculated for getting the yield of 40 tn/ha at planting pattern 75 × 24 and 70 × 19 cm.
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