Abstract

As a result of the research, it was found that tillage and mineral fertilizer application rates had a significant effect on the Gossypium yield, fiber yields and fiber productivity. After the autumn predecessor of wheat, plowing to a depth of 27-30 cm in autumn and loosening to a depth of 6-8 cm before sowing in spring, due to the action of inorganic fertilizers, the Gossypium yield is 2.8-14.1 cwt/ha, the fiber yields is 0.2-1.1%, fiber productivity 1.0-5.2 cwt/ha, plowing to a depth of 27-30 cm before sowing in spring and a disc shovel to a depth of 10-12 cm before sowing in spring. Gossypium yield 2.8-14.3 cwt/ha, fiber yields 0.1-1.3%, fiber productivity 1.0-5.4 cwt/ha, plowing to a depth of 27-30 cm in autumn and spring. Before sowing, when tilling the soil with a disk shovel to a depth of 14-16 cm, due to the action of inorganic fertilizers, the Gossypium yield was 3.8-17.3 cwt/ha, the fiber yields was 0.2-2.8%, the fiber productivity increased by 1.4-7.2 cwt/ha compared to the control variant without fertilizers. If we compare all three methods of tillage, then the highest values are obtained by plowing to a depth of 27-30 cm in autumn and a disc harrow to a depth of 14-16 cm before sowing in spring. norm N120P150K120.

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