Saja Subaih Hameed from Department of Soil Sciences and Water Resources successfully defended her Ph.D. work with the title (The Role of Soil Bacteria in the Biodegradation of the Herbicide Pyroxsulam and the Estimation of Its Residues in Soil and Wheat Plants)
The study aimed to isolate and identify bacteria capable of degrading the herbicide in liquid agricultural media and soil, as well as to evaluate enzyme activity following herbicide application. It also investigated the effects of different herbicide concentrations on the levels of available nitrogen in the soil.
The researcher recommended incorporating other commonly used pesticides in Iraqi agriculture into future bioremediation programs, in addition to adhering to recommended application rates to minimize toxic effects on soil microorganisms.
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