مقال بحثي وصول مفتوح
… in the world and is favored by small-scale farmers in Ethiopia to ensure food security. However, the crop yield is low due to the lesser availability of phosphorous (P) in soil caused by P fixation (formation of insoluble compounds due to reaction of P with other minerals), and use of mineral fertilizers at a rate less …
مقال بحثي وصول مفتوح
… ees located in the center of each plot. Assessments were comprised of the numbers of healthy and diseased pods observed on trees, the numbers of green and necrotic axillary and terminal brooms, and the numbers of healthy and diseased pods taken from trees at each harvest. The results show that disease incidence was the …
مقال بحثي وصول مفتوح
… -41 was prepared using impregnation method and tested as a catalyst in propane oxidative dehydrogenation (POD). The catalyst samples were characterized using X-ray elemental analysis, Brunauer-Emmett-Teller (BET) physisorption, and Z-ray Photoelectron Spectroscopy (XPS). After impregnation, the catalyst surface area de …