Dawa,, K., Tartoura, E., Abdel-Hamed, A., Gouda, A. (2007). EFFECT OF SOME NITROGENOUS AND PHOSPHATIC FERTILIZERS SOURCES AND VA-MYCORRHIZA INOCULUM ON GROWTH, PRODUCTIVITY AND STORABILITY OF GIRLIC (Allium sativum L.) 1-Vegetative growth and chemical constituents.. Journal of Plant Production, 32(9), 7665-7688. doi: 10.21608/jpp.2007.220660
K. K. Dawa,; E. A. A. Tartoura; A. M. Abdel-Hamed; A. E. A. I. Gouda. "EFFECT OF SOME NITROGENOUS AND PHOSPHATIC FERTILIZERS SOURCES AND VA-MYCORRHIZA INOCULUM ON GROWTH, PRODUCTIVITY AND STORABILITY OF GIRLIC (Allium sativum L.) 1-Vegetative growth and chemical constituents.". Journal of Plant Production, 32, 9, 2007, 7665-7688. doi: 10.21608/jpp.2007.220660
Dawa,, K., Tartoura, E., Abdel-Hamed, A., Gouda, A. (2007). 'EFFECT OF SOME NITROGENOUS AND PHOSPHATIC FERTILIZERS SOURCES AND VA-MYCORRHIZA INOCULUM ON GROWTH, PRODUCTIVITY AND STORABILITY OF GIRLIC (Allium sativum L.) 1-Vegetative growth and chemical constituents.', Journal of Plant Production, 32(9), pp. 7665-7688. doi: 10.21608/jpp.2007.220660
Dawa,, K., Tartoura, E., Abdel-Hamed, A., Gouda, A. EFFECT OF SOME NITROGENOUS AND PHOSPHATIC FERTILIZERS SOURCES AND VA-MYCORRHIZA INOCULUM ON GROWTH, PRODUCTIVITY AND STORABILITY OF GIRLIC (Allium sativum L.) 1-Vegetative growth and chemical constituents.. Journal of Plant Production, 2007; 32(9): 7665-7688. doi: 10.21608/jpp.2007.220660
EFFECT OF SOME NITROGENOUS AND PHOSPHATIC FERTILIZERS SOURCES AND VA-MYCORRHIZA INOCULUM ON GROWTH, PRODUCTIVITY AND STORABILITY OF GIRLIC (Allium sativum L.) 1-Vegetative growth and chemical constituents.
Two field experiments were carried out at a private farm at El-Manial village, Talkha province, Dakahlia governrate during winter seasons of 2004/2005 and 2005/2006. The study aimed to investigate the effect of N-sources (calcium nitrate, ammonium sulphate, sulphur coated urea and bentonite coated urea), P-sources( super phosphate either powder and granules and rock phosphate) as well as vesicular arbuscular mycorrhiza (VAM) fungi and their interactions on the vegetative growth (plant height, number of leaves/plant, dry weight, leaf area/plant, chlorophyll content/plant, neck diameter, bulb diameter and bulbing ratio) and chemical constituents (N, P, K, NO3 and NO2) of garlic plants (Sids-40).
The obtained results showed that plant height, dry weight, leaf area/plant, total chlorophyll content, neck diameter and bulb diameter were significantly increased by application of ammonium sulphate, in both seasons, while, number of leaves/plant was not significantly affected by N-sources, in both seasons. Plant height, dry weight, leaf area, total chlorophyll and bulb diameter were significantly increased by application of powder super phosphate, in both seasons, while, number of leaves/plant, neck diameter and bulbing ratio were not significantly affected by P-sources, in both seasons. All measured parameters were significantly increased by inoculation of VAM fungi except of number of leaves/plant and bulbing ratio were not significantly affected by VAM fungi, in both seasons.
Application of sulphur coated urea significantly increased the percentage content of N, P and K and significantly reduced NO3 and NO2, in both seasons and the lowest values of NO3 and NO2 obtained by application of bentonite coated urea, in both seasons. Application of granules super phosphate significantly increased N % and K % and the concentration of NO3 and NO2 reduced by using rock phosphate followed by using powder super phosphate, in both seasons, while, P % was not significantly affected by P-sources. Inoculation of VAM fungi significantly increased the concentration of N %, P % and K % and this treatment significantly reduced the concentration of NO3 and NO2, in both seasons.
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