Gebaly,, S. (2006). PHYSIOLOGICAL RESPONSE OF COTTON (GIZA 89 VARIETY) TO APPLICATION OF NITROGEN AND BIO- FERTILIZER "RHIZOBACTEREIN". Journal of Plant Production, 31(6), 3309-3323. doi: 10.21608/jpp.2006.236023
Sanaa G. Gebaly,. "PHYSIOLOGICAL RESPONSE OF COTTON (GIZA 89 VARIETY) TO APPLICATION OF NITROGEN AND BIO- FERTILIZER "RHIZOBACTEREIN"". Journal of Plant Production, 31, 6, 2006, 3309-3323. doi: 10.21608/jpp.2006.236023
Gebaly,, S. (2006). 'PHYSIOLOGICAL RESPONSE OF COTTON (GIZA 89 VARIETY) TO APPLICATION OF NITROGEN AND BIO- FERTILIZER "RHIZOBACTEREIN"', Journal of Plant Production, 31(6), pp. 3309-3323. doi: 10.21608/jpp.2006.236023
Gebaly,, S. PHYSIOLOGICAL RESPONSE OF COTTON (GIZA 89 VARIETY) TO APPLICATION OF NITROGEN AND BIO- FERTILIZER "RHIZOBACTEREIN". Journal of Plant Production, 2006; 31(6): 3309-3323. doi: 10.21608/jpp.2006.236023
PHYSIOLOGICAL RESPONSE OF COTTON (GIZA 89 VARIETY) TO APPLICATION OF NITROGEN AND BIO- FERTILIZER "RHIZOBACTEREIN"
Cotton Research Institute, Agricultural Research center, Giza.
Abstract
Two field experiments were carried out at Gemmeiza Agricultural Research station, EI-Gharbia Governorate during two seasons (2002 and 2005). The main objective of this investigation was to study the effect of bio-fertilizer (Rhizobacterein) as a method to decrease the levels of mineral nitrogen fertilizer of Giza 89 cotton variety using 60 kg/fed. without Rhizobacterein (as control) and using 30, and 45 N/fed. with Rhizobacterein at thinning, squaring and flowering stages On some cotton plant growth traits and attributes, earliness seed cotton yield / fed. and its components and net income. Results can be summarized as follows:
Application of bio-fertilizer (Rhizobacterein)1 at treatment (8) [45 kg N/fed. + Rhizo. (2 L.Ifed. squaring) + 2 L.Ifed. flowering stage]. Significantly increased plant height, number of fruiting branches / plant, boll weight, number of open bolls / plant, seed cotton yield / fed. and lint percentage in both seasons. Also, applying bio- fertilization significantly increased the net income / fed. as compared with the check treatment. Also, using bio-fertilizers Significantly increased dry weight of plant organs during different growth stages and significantly increased leave contents of chlorophyll, carotinoids, nitrogen, oil and protein contents in seeds.
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