Влияние удобрений на продуктивность горохо-ячменной смеси на дерново-подзолистой легкосуглинистой почве

Abstract

In researches on sod podsolic sandy loamy soil the entering of N60P40Ka0 against 30-40 tha-1 of covering manure has provided the most rational combination of indicators of agronomical, power and economic efficiency of fertilizers application. There were an increase of a crop of green weight within of 161-185 cha-1; a recoupment of 1 manure ton within of 36-38 f.u., 1 kg of NPK within of 7,8-8,7 f.u.; power return of application of organic fertilizers within of 1,04-1,09 units, mineral fertilizers within of 1,07-1,15 units; the net profit of entering full organo-chemical fertilizers within of 103,4 thousand rubles per hectare, profitability within of 19,9-22,4%.