ROLE OF THE PREDECESSOR AND CHEMICALIXATION MEANS IN FORMATION OF EFFICIENCY AND QUALITY OF GRAIN OF VARIOUS GRADES OF SPRING WHEAT.
Researches are carried out in a central zone of Kurgan area on zoned and perspective varieties of a spring wheat. Reaction of varieties to contrast soil fertilities and a means of protection of plants was studied. In result the data on a level of efficiency and quality of a grain of different varieties in dependence on the predecessor and agrochemicals are received.