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Articles by A.G. Moussa
Total Records ( 1 ) for A.G. Moussa
  H.S. Abdel-Razzak , A.G. Moussa , M.A. Abd El-Fattah and G.A. El-Morabet
  Agricultural practices based on combinations of biofertilizer and inorganic or natural sources of fertilizer would produce vigor growth and more sustainable yield than either using biofertilizer or inorganic fertilizer alone. In this respect, two field trials were performed in 2007 and 2008 summer seasons to determine the growth, root quantity and quality response of sweet potato to chemical and natural Phosphorus (P) fertilizer (superphosphate and rock phosphate) under four levels of P in combination with Vesicular Arbuscular Mycorrhiza (VAM) fungi inoculation treatment and their integrated effects. The obtained results showed superior growth, increased total and marketable yield, in addition improved root quality (total sugars, total carotene, total soluble solids and carbohydrates) with superphosphate comparing with natural rock phosphate. Application of the highest level of P (100% P2O5) enhanced vine length, leaves number and vine fresh weight. Also, increased root quantity and quality traits. Inoculation plants with VAM-fungi significantly increased productivity and improved root organic composition. Integrated effects between either superphosphate under the recommended level (100% P2O5) or between VAM-fungi inoculation under the same level exhibited improving in plant growth and yield production. Sweet potato plants tended to reveal their best quality performance when superphosphate is applied combined with VAM-fungi inoculation treatment. In general, the obtained results indicated that for increasing sweet potato root production and quality, a combination between superphosphate at the recommended P level and VAM-fungi inoculation treatment was the best. The integrated effect between superphosphate and VAM-fungi was better than either using inorganic or bio-phosphate fertilizer alone.
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