Influence of mineral and modified fertilizers on oat yield
2020
Galina, Sajdiasheva | Alevtina, Kulikova | Alexander, Laschenkov | Sergey, Nemtsev
The paper presents the study of the influence of mineral and modified fertilizers on the formation of yield and quality of oat grain in the Middle Volga. The study was carried out in 2016–2018 on the experimental field of Ulyanovsk Research Institute of Agriculture. The meteorological conditions of vegetation periods during the study varied in temperature and moistening. Three-year studies made it possible to confirm that the administration of a half-dose biomodified azophoska (½N15P15K15m) increased grain yield in relation to the absolute control on all study backgrounds by 0.13-0.49 t/ha. The greatest effect of fertilizers was observed against the background of ammonium nitrate (NH4NO3m) applied under presowing cultivation at a dose of 40 kg active ingredient/ha treated with microbiological preparation BisolbiFit. Yield enhancement was accompanied by a relative decrease of protein content of oat grains ranging from 11.3 to 12.4 %. There is a negative relation (r=-0.76) between the mass of 1000 grains and the protein content.
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