Document Type : Primary Research paper
Authors
1 Candidate of Agricultural Sciences, Samarkand institute of veterinary medicine. Samarkand 140103. Uzbekistan.
2 Candidate of Agricultural Sciences. Associate Professor of of Department of Plant Physiology and Microbiology Samarkand 140103. Uzbekistan.
3 Candidate of Agricultural Sciences. Associate Professor of "Botany and Plant Physiology," associate professor of Samarkand State University, Samarkand 140103. Uzbekistan .
Abstract
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