The saturation of the soil with organic residues, the introduction of straw from the precursor and the harvest siderate stimulated the biological activity of the soil, and the use of various types of basic soil treatment changed the agrophysical properties of the soil. The results of research have found that the introduction of greenhouse siderate and straw contributed to maintaining the optimal density of the soil in the crop rotation link, and the combined treatment provided better conditions than in plowing. On the same variants, a decrease in the soil hardness occurred, positively influenced the formation of structural aggregates. For combined tillage, the content of structural aggregates on the background of mineral fertilizer application in the 0-20 cm layer exceeded the options with plowing by 5.2%, with the use of crop green manure by 3.2% and with the use of straw by 2.5%. For the combined tillage after winter rye, the cultivation of arable land was 19.7 - 22.8%, after pea - 17.3-19.7%, after spring wheat - 20.9-23.7%. For plowing options, these figures were 21.0-24.4, 19.6-21.4 and 23.5-26.0%. The maximum grain yield of winter rye (4.37 tons per hectare), pea (2.42 tons per hectare) and spring wheat (3.37 tons per hectare) was obtained on the variants of combined tillage and food backgrounds with the introduction of crop siderate.
The research was carried out on the experimental field of the General Agriculture, Plant protection and Selection Department of Kazan State Agrarian University by bookmarking a long-term in-patient experience. Research was conducted on two bookmarks of the stationary experience of General Agriculture Department in the links of the crop rotation of fallows - winter rye. The following issues were laid and studied at the station: crop rotations, nutrition backgrounds, soil cultivation. One of the tasks, set before the research, was to determine the effect of embedding biological agents into the soil on the indices of soil fertility and on crop yields in crop rotations. Nutrients contributed to the formation of a higher crop, even in the absence of fertilizers, for example, the straw yield was generated 22.5 centner per hectare, and with the use of intermediate syderat - 23.6, while without biogenes - 20.08 centner per hectare. A comparatively high yield was obtained with the use of siderate for a combined treatment system - 26.7 centner per hectare. When the estimated doses of mineral fertilizers were applied into the soil in terms of biologic background, the winter rye productivity increased even further, the increase to the background without fertilizers was 9.6-14.0 centner per hectare.
The most important task at all stages of modern agriculture development is to increase the yield and quality of grain. Plant growth regulators can play a big role in this. The paper considers an impact of Polaris fungicide on winter wheat seeds and the use of growth regulator Melafen in winter wheat crops in Ufa region of the Republic of Bashkortostan are considered. The soil and climatic conditions of the growing season 2017-2018 years have influenced on formation of the yield and quality of winter wheat grain. Seed treatment with Polaris fungicide in combination with the crop care products provided productivity of 41.8-61.5 centner per hectare. The use of growth regulator Melafen in Ufa region of the Republic of Bashkortostan ensured an increase in crop yield up to 59.2-63.7 centner per hectare or 30.3-40.4%, depending on the processing scheme used. Determining the number of falls in the experience showed that this indicator fluctuated within 215-314 sec., which corresponds to the indicators for higher, first and second class of grain - a state of emergency more than 200 sec. In the experiment, the indicators of the nature of the grain had a value of from 671 to 758 g/l. The use of Polaris in the experiment contributed to the enhancement of the grain nature and reaching the level of the highest, 1.2 grade of grain. Due to the fact that in terms of quality group - all the options corresponded to group 2 of quality or grain of grade 3-5, the assessment of the quality of winter wheat grain shows that in the experience the quality of grain of all options corresponds to class 3.
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