Authors:
S. K. MINGALEV, doctor of agricultural sciences, professor,
THE URAL STATE AGRARIAN UNIVERSITY (42 K. Liebknechta Str., 620075, Ekaterinburg)
Abstract. Weeds are a constant component in the cultivation of corn, which compete with crop plants for factors of life, reduce yield and product quality. The fight against weeds is associated with a significant expenditure of material and energy resources. In modern technology, weed control in corn sowing is carried out most often by chemical methods. Studies have shown that from pre-emergence herbicides, Elis and Milagros preparations are highly effective. The highest yield of dry matter in maize yield was obtained by spraying maize crops in the phase of 3–6 leaves with Eleusis herbicide – 12.0 t / ha, which is higher compared to Milagro and a tank mix of Kaoisto + Milagros by 18.0–22.0% and In 3–6 times more than Kalisto and control. Among the subjects of post-emergence herbicide Adengo, which provided complete destruction of weeds. On a non-herbicidal background, the yield of green mass of maize was lower by 3 to 8, and the yield of dry matter was 3.5–8.5 times higher than when post- emergence herbicides were used. The use of a single tank mixture of post-emergence herbicides in the care of maize plants and in combination with mechanical methods contributes to a reliable increase in the yield of the green mass, the yield of dry matter and grain per hectare in comparison with uncoated or two harrowing options.
Keywords: weepiness, herbicides, corn, yield, dry matter, grain.
