EFFECT OF SOME SOIL APPLIED HERBICIDES ON SOIL MICROFLORA
A study on the effect of some herbicides on the number of soil microbial populations and microbial activity was conducted. The herbicides Adengo (225 g/l Isoxaflutol + 90 g/l Thiencarbazone-methyl + 150 g/l Ciprosulfamide (antidote)), Dual Gold (960g/l S-metolachlor), Marlin Flexx (240 g/l isoxaflutol) were applied, in optimal and doubled dose. There was a decrease in the amount of ammonifying bacteria, actinomycetes, nitrifying bacteria, soil fungi in some of the treatments, and the strongest effect, especially in the initial stages of incubation is the suppression of nitrogen-fixing bacteria. After 120 days of incubation in most variants of the experiment, the suppressive effect of herbicides disappeared.
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