JANUBIY FARG‘ONA TUPROQLARIDA MIKROORGANIZMLAR TAKSONOMIK GURUHLARI DINAMIKASI

Microorganisms play a vital role in soil fertility. Therefore, studying their abundance and dynamics in soil is crucial. The study was conducted on an expedition. Soil profiles were taken, genetic horizons were identified, and their morphological characteristics were analyzed. Under irrigation conditions, microbial abundance increased from early spring to summer in soils grown for cotton, alfalfa, and fruit trees, reaching its peak in summer. By autumn, microbial abundance had decreased to a minimum. Microbial abundance in the winter wheat rhizosphere peaked in spring.

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