The purpose. To determine efficiency of specimens of biological origin at growing winter wheat on various backgrounds of nutrition in conditions of Donetsk oblast. Methods. Field, added by analytical researches, measurements, counts and observation according to the standard techniques and methodical recommendations in plant growing. Results. Researches were carried out in 2015 -2017 in field rotation of SE «OX» Zaboishchik» Donetsk state agricultural experimental station of NAAS». Scheme of experiments provided presowing treatment of seeds with biological products in day of sowing, sprinkling of sowings in stages of tillering and heading. In the control they treated seeds and sowings with water. At the moment of harvesting on both backgrounds of feed the best parameters of crop structure was formed in the alternative with joint application of specimens Sizam and Rost-concentrate. The greatest productivity of grain of winter wheat on the 1-st background of feed (N30Р30) was at complex use of specimen Sizam and at its joint application with specimen Rost-concentrate -6,08 and 6,12 t/hectare, the increase in comparison with the control made 1,18 and 1,22 t/hectare. On the 2-nd background of feed (N60Р60) the greatest productivity was gained at complex use of specimen Sizam -6,86 t/hectare (the increase in comparison with the control made 1,55 t/hectare). Calculation of economic feasibility of use of biological products at growing winter wheat testifies to significant efficiency of use of backgrounds of feed and probed specimens. On the 1-st background of feed the highest profitableness was gained at treatment of seeds and sowings with specimens Sizam and Rost-concentrate (271,2%). On the 2-nd background of feed the highest level of profitableness was at complex use of specimen Sizam (296,8%). That alternative had the highest economic parameters in researches. Conclusions. Application of biological products irrespective of background of feed effectively influenced growth of plants of winter wheat, and parameters of structure of crop have considerably improved. The greatest productivity of grain and the highest level of profitableness were gained on the 2-nd background of feed (N60Р60) at complex use of specimen Sizam -6,86 t/hectare (increase in comparison with the control made 1,55 t/hectare) and 296,8%.Key words: winter wheat, biological product, background of feed, biometric parameters, structure of crop, productivity, profitableness.https://doi.org/10.31073/agrovisnyk201811-06 The peculiarities of growing winter wheat are based on optimization of a huge number of biotic and abiotic conditions affecting the formation of high grain productivity of the required quality [1][2][3][4][5]. A significant number of new developments that have appeared recently, indicates the possibility of achieving the main goalincreasing gross grain harvest [6,7]. For this there is a huge arsenal of sorts of agricultural methods. Each of them has not only direct, but also indirect influence, which does not always positively affect the ad...
The paper aimed to analyze the effect of the application of organic fertilizer biohumus on the content of heavy metals in the soil and spring barley plants in the Donetsk industrial region of Ukraine. Application of biohumus in the organomineral nutrition system led to decrease the content of mobile forms of copper, zinc, lead, cadmium by 17.1%, 23.4%, 22.6% and 23.1% respectively. The content of copper and zinc in the grain was almost at the control level, the accumulation level of lead and cadmium in the spring barley grain decreased by 1.6 and 1.4 times, respectively. The variant of the organo-mineral nutrition system with foliar treatment of plants with biostimulant regoplant allows to reduce the amount of traditional mineral fertilizers by up to 50% while maintaining the yield level, to reduce the coefficients of biological absorption of lead and cadmium by 1.4 times compared to the control. To reduce the risk of soil and grain contamination by heavy metals in industrial regions, it is advisable to use an organo-mineral fertilizer system.
Çàñòîñóâàííÿ åëåìåíò³â îðãàí³÷íî¿ òåõíîëî㳿 âèðîùóâàííÿ ÿ÷ìåíþ ÿðîãî â óìîâàõ òåõíîãåííîãî íàâàíòàaeåííÿ Êîðîáîâà Î. Ì. ³íþêîâ Î. Î., êàíäèäàò ñ³ëüñüêîãîñïîäàðñüêèõ íàóê Áîíäàðåâà Î. Á., êàíäèäàò òåõí³÷íèõ íàóê Êîíîâàëåíêî Ë. ²., êàíäèäàò õ³ì³÷íèõ íàóê ×óãð³é Ã. À.
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