[Economic efficiency of potash fetilizers application on different levels of potassium mobile content in link crop rotation on sod0podzolic soil]
2005
Konashenko, Yu.I.(Institute for Soil Science and Agrochemistry, Minsk (Belarus))
Results of researches of influence of security of sod-podzolic sandy ground mobile and rate of potash fertilizers on economic efficiency of their applcation in crop rotation with the following alternation of cultures are resulted: corn on green weight, a spring wheat, a mix, winter. It is established that at cultivation of agricultural crops in a part of a crop rotation, for reception of the maximal productivity, at the first level the high doze of potash fertilizers (120 kg/ha), the second - average and high (90 and 120), the third - minimal (69 kg/ha) is the most effective. At the fourth level of the contents mobile potassium application of potash fertilizers is inexpedient
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