The Ability of Plant Extracts to Inhibit the Activity of the Enzyme Urease and Reduce the Volatility of Ammonia in the Soil and the Growth of the Wheat Plant (Triticum Aestivum L.)
Biological Control of Charcoal Rot Disease Caused by Macrophomina phaseolina (Tassi) Goid on Cowpea and Mung Bean by Some Isolates of Streptomyces spp.