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After spring barley harvest the operational effects of tillers and seed drill on spring barley residues were evaluated in two variants of cultural operations. Generally low values of soil surface coverage by crop residues after cultural operations were performed document that soil tillage and sowing did not comply with the criteria for conservation technologies – the coverage of soil surface by crop residues was lower by 30% after all cultural operations. After silage maize harvest we determined the weight of maize crop residues and coverage of soil surface by these residues after shallow tillage by a disk tiller when nine variants of the operating mode of the tiller were used. Obviously, the change in the operating mode of the tiller was able to influence the coverage of soil surface by maize residues. The evaluation of the operational effects of disc tiller on crop residues indicated some restraints of the use of this group of implements for conservation (erosion-control) technologies of soil tillage.

Operational effects of implements on crop residues in soil tillage operations