Abstract
The effect of treatment of chickpea crops with chemical and biological plant protection agents on several groups of soil microorganisms was studied. Pesticides were used separately and in tank mixtures with humic substances. The treatment of plants with pesticides had a multidirectional effect on the numbers of microorganisms in the soil. It was found that the addition of humic substances to chemical pesticides increases the number of microorganisms in the soil, which is associated with its adaptogenic effect on plants. The use of tank mixtures of humic substances with pesticides on chickpea crops turned out to be most effective with second assortment of pesticides, but it was also effective with standard pesticides. For biological preparations, the opposite effect was observed: biological products were more effective without adding humic substances to them.
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