Publisher： Edp Sciences
E-ISSN： 2261-236x|224|issue|05016-05016
ISSN： 2261-236x
Source： MATEC Web of conference, Vol.224, Iss.issue, 2018-10, pp. : 05016-05016
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Abstract
There were offered the combination of technological operations for harrowing sowings of different crops at the same time with additional soil mineral fertilizing. On the example of field experience in 2017 in the educational farm “Kuban” of the Kuban State Agrarian University there was tested the effectiveness of various serial production machines for harrowing winter wheat variety Bagrat. In the control plot, harrowing of wheat after wintering was not carried out. The combination of technological operations in one pass of the machine-tractor unit on the field provides a reduction in the fleet of machines, its capital intensity, energy, material costs, and thus the increase the competitiveness of products. As a result of the research, there was offered a new technical support of processes, new working bodies for harrowing, a technological scheme of a multifunctional unit for combining the operations of additional fertilizing and harrowing of sowings, an experimental installation for research, there were studied the working conditions and quality indicators of the various working bodies on harrowing of sowings (uniformity of harrowing depth, structural and aggregate composition of soil after each option treatment of treatment). There was carried out the comparative analysis of the uniformity of harrowing depth of winter wheat crops compared with working bodies in the experiment, there was revealed the advantage of individual serial machines for harrowing crops. Mathematical processing of experimental data confirmed the effectiveness of the rotational harrow-hoe on all qualitative indicators (uniformity of harrowing depth, the coefficient of structural soil, etc.).
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