The Influence Of Sowing Schemes And Feeding Rates On Grain Yield Of Amaranth
Keywords:
amaranth, planting scheme, mineral fertilizer rate, foliar feeding period and rate, grain yield.Abstract
This article presents the results of a study on the effect of different planting schemes, mineral fertilizer background and foliar feeding rates on the grain yield of amaranth variety IKBA-TDAU 2. The experiment used planting schemes 70×15–1, 70×20–1, 70×25–1 and 70×30–1 and fertilizer rates N250P175K125, N200P140K100 and N150P105K75, as well as foliar feeding rates with water-soluble complex fertilizer Akvarin-14 during different vegetation periods. According to the results obtained, it was found that grain yield was higher in variants with reduced mineral fertilizer rates and combined with foliar feeding, depending on the planting schemes. In particular, the highest grain yield was obtained in the variant planted in the 70×25–1 planting scheme and foliar fed with water-soluble complex fertilizer Akvarin-14 (N20P20K20) at the rate of + 1.4 kg/ha in the 5-6 leaf stage, 1.8 kg/ha in the tillering period, and 1.8 kg/ha in the grain formation period, on the background of mineral fertilizers N150P105K75 kg/ha.
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