Influence of the application of herbicides step 500 and ankosar on annual and perennial weeds in fine-fiber cotton crops
Iso Ramazonovich DusbayevTashkent State Agrarian UniversityMakhkam ShodmanovCandidate of agricultural sciences Tashkent State Agrarian UniversityBakhtiyor Salohiddinovich NasirovTashkent State Agrarian UniversityOybek Abduganiyevoch SottorovTashkent State Agrarian University
ABI
Abstract
AbstractIn this scientific article, materials on the effectiveness of the use of a combination of herbicides with a different spectrum of action against annual and perennial weeds in fine-fiber cotton crops sown on ridges and a smooth field in meadow soils are provides. Sowing cotton seeds along the ridges and using a combination of herbicides Step 500, 50% ae. when sowing at a rate of 4.0 l/ha and Ankosar 720 g/l c. R. at a rate of 4.0 l/ha before cotton budding, or at a weed height of 10–15 cm, reduces the number of annual weeds by 92.2–95.6%, perennial weeds by 91.6–92.4%, cotton yield increases by 5.0 centners/ha.
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