EFFECTIVENESS OF MOLDBOARDLESS TILLAGE AT SPRING BARLEY CULTIVATION IN THE NORTHERN STEPPE

Abstract

The effects of different methods of primary tillage for barley on agrophysical properties of chernozem ordinary water regime, crop debris, productivity and economic efficiency of production of cereal crops have been studied.It has been found that chisel tillage in arid northern steppe of Ukraine provides growth accumulation of soil moisture in the fall and winter, due to the presence on the surface of the soil and crop residues predecessor wavy nanoRelief. This ensures the maximum amount of available moisture in the spring compared with other methods of tillage, as well as high yield and high profitability of grain production. Using small disc tillage (10-12 cm) for spring barley leads to higher level of the contamination of crops, it is one of reasons of crop capacity 0,20-0,46 t / ha reduction towards moldboard tillage and chiselling.