Arable land productivity depending on the main treatment of typical chernozem in the Right Bank Forest-Steppe of Ukraine
DOI:
https://doi.org/10.31548/agr2018.294.089Keywords:
рясність і маса бур’янів, урожайність, продуктивність, механічний обробіток ґрунту, гербіцидиAbstract
Field experiment found that the refusal of mechanical soil tillage of typical black earth with a periodic its disking one year after in the Right-bank Forest-steppe of Ukraine leads to a significant increase in crops weed infested and a 23 % decrease in arable land productivity. The result was the following provisions: the refusal of the primary soil tillage with periodic surface treatment of 8-10 cm disk harrow causes a significant increase in weeds: the abundance of weeds in 4.2 times and their mass - in 3.1 times. In this case, the effectiveness of herbicides is significantly reduced by 2.3 times and by weight - by 7.6 times; The yields of all crops (spring barley, soybean, winter wheat, and oat mix) significantly decrease, respectively: 18, 39, 12 and 2, 4, and productivity of arable land in crop rotation by – 23 %; The prospect of minimizing the mechanical cultivation of soil in conditions of ecologization of agriculture will be the search and introduction of effective biological control means of weeds.
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