IMPACT OF SOIL TILLAGE USING RESOURCE-SAVING TEXTOLOGY ON SEED GERMINATION AND COTTON YIELD OF ANDIJAN-36 COTTON VARIETY
Keywords:
Soil, cotton plant, single-rowAbstract
With the use of resource-saving agro-technology and processing with a new combination aggregate in autumn, cotton yield of 37.9-40.4 c/ha was obtained from the variants where the 50% annual rate of 200 kg/ha norm of nitrogen was applied in the form of liquid ammonia under the ridges and the remaining 50% of liquid ammonia was used during the growing period of cotton plant in the form of ammonium salt petre by stratification. In these variants cotton seeds were sown in single-row and double-row methods. They produced additional yield of 4.1-5.9 c/ha compared to the control variants and the highest economic efficacy was achieved. Net profit from these variants constituted 2079,1-2793.7 thousand sums, profitability rate was 52.3-68.4%, in comparison with control variants, the net profit was 1127,7-1569,3 thousand sums more while the profitability rate was 29,1%. - 38.8% higher.
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