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Ecological Systems and Devices

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CULTIVATION OF COTTON WITH THE USE OF CYANOBACTERIA FOR BIOLOGIZATION OF AGROSYSTEMS
Yu.V. Bataeva, D.K. Magzanova, L.N. Grigoryan

The use of environmentally friendly drugs in agricultural biotechnology is relevant and in demand in the production of agricultural products. Many countries have successfully used nitrogen-fixing cyanobacteria to improve soil fertility and crop yields. The stimulating effect of cyanobacterial communities with the dominant genus Anabaena on the productivity and yield of cotton Gossypium hirsutum variety AS 1 was revealed. Before planting in the soil, the seeds were soaked for 2 hours in a cyanobacterial suspension, a solution of the mineral fertilizer Amofoska (concentration of the working solution), and tap water under laboratory conditions. The treatment of cotton plants in the open ground was carried out by pouring stimulants directly under the root of the plant. Germination of seeds treated with cyanobacteria was 100 %. Biometric indicators indicate that plants treated with cyanobacteria show the highest values in terms of leaf weight, leaf area and root length relative to the control. The mass of cotton treated with cyanobacteria exceeds the control variant and with the use of mineral fertilizer by 20.8 g and 24.6 g, respectively. Double treatment with cyanobacteria allows you to increase all indicators. With a second spill, these figures exceed the control by 31.8 g and 54.3 g (mineral fertilizer). The positive impact of the CB on the growth and development of cotton crops in the Astrakhan region has been established.
Keywords: cyanobacteria, Anabaena, Gossypium hirsutum, cotton plant, growth-promoting effect.


DOI: 10.25791/esip.11.2022.1331

Pp. 18-25.

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