The study presents the results of the research performed in Kuznetsk forest-steppe zone (Kemerovo Region) in 2014- 2017. Its purpose was to study the correlation of grain yieldproductivity and the ways of treatment of winter rye seeds and crops with bioorganic fertilizer NAGRO and to identify the most effective variant of treatment. The objects of the study were two winter rye varieties Vlada and Tetra korotkaya. Six variants of seed and crop treatment with two types of bio- fertilizer: bio-energetic NAGRO were used for pre-sowing seed and crop treatment and universal fertilizer NAGRO for processing of crops during vegetation. Seed pre-sowing treatment was carried out by bio-energetic NAGRO with a norm of 1 l/t, the crops were treated with universal fertilizer NAGRO with a norm of 1 l/hectare and bio-energetic NAGRO- 0.2 l/hectare. The volume of working solution was 250 l/hectare. Control variant included sowing without using bio-fertilizers. Cultivating winter rye treating with bio-organic fertilizer NAGRO was performed by experiment options the increase in yields relative to the control variant was observed for the variety Vlada by 7-20 %, and the variety Tetra korotkaya. More effective crop yields were obtained in the following variants: for the variety Vlada seed treatment with bioenergetic, 1-st treatment for vegetation - bio-energetic in tillage phase in spring, 2- nd treatment with universal fertilizer in earing phase; and for Tetra korotkaya-2 seed treatment with bioenergetic, 1st treatment for vegetation - universal + bioenergetic in tillering phase in spring, 2nd treatment - uni- versal in earing phase. At the same time, for the years of the study average yields for Vlada were 3.37 t/h hectare (energy cost 3.17 GJ/t, the efficiency of sowing 10.11), for the control variant - 2.71 t/ hectare (energy cost 3.93 GJ/t, the efficiency of sowing 8.14); for Tetra korotkaya - 3.38 t/hectare (energy cost 3.16 GJ/t, the efficiency of sowing 10.12), as for the con- trol variant - 2.87 t/h hectare (energy cost 3.71 GJ/t, the effi- ciency of sowing 8.62).
winter rye, variety, productivity, bioorganic fer- tilizer ‘NAGRO’, energy cost, bioenergy coefficient (efficiency) of sowing
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