Salih,, S., Nawar, F. (2003). RESPONSE OF SOYBEAN YIELD AND ITS COMPONENTS TO Rhizobium INOCULATION AND NITROGEN FERTILIZATION UNDER DIFFERENT PLANT SPACING IN THE NEWLY RECLAIMED CALCAREOUS SOIL. Journal of Plant Production, 28(5), 3325-3332. doi: 10.21608/jpp.2003.243286
S. A. Salih,; F. R. R. Nawar. "RESPONSE OF SOYBEAN YIELD AND ITS COMPONENTS TO Rhizobium INOCULATION AND NITROGEN FERTILIZATION UNDER DIFFERENT PLANT SPACING IN THE NEWLY RECLAIMED CALCAREOUS SOIL". Journal of Plant Production, 28, 5, 2003, 3325-3332. doi: 10.21608/jpp.2003.243286
Salih,, S., Nawar, F. (2003). 'RESPONSE OF SOYBEAN YIELD AND ITS COMPONENTS TO Rhizobium INOCULATION AND NITROGEN FERTILIZATION UNDER DIFFERENT PLANT SPACING IN THE NEWLY RECLAIMED CALCAREOUS SOIL', Journal of Plant Production, 28(5), pp. 3325-3332. doi: 10.21608/jpp.2003.243286
Salih,, S., Nawar, F. RESPONSE OF SOYBEAN YIELD AND ITS COMPONENTS TO Rhizobium INOCULATION AND NITROGEN FERTILIZATION UNDER DIFFERENT PLANT SPACING IN THE NEWLY RECLAIMED CALCAREOUS SOIL. Journal of Plant Production, 2003; 28(5): 3325-3332. doi: 10.21608/jpp.2003.243286
RESPONSE OF SOYBEAN YIELD AND ITS COMPONENTS TO Rhizobium INOCULATION AND NITROGEN FERTILIZATION UNDER DIFFERENT PLANT SPACING IN THE NEWLY RECLAIMED CALCAREOUS SOIL
Field Crops Research Institute, Agrlc. Res. Center, Giza, Egypt
Abstract
Two field experiments were conducted at Nubaria Agric. Res. Station during 1999 and 2000 seasons to investigate the eHeet ot two plant densities (10 15 cm between hills i.e. 32 and 22 plantslm2) and six fertilization treatments: 1) control - uninoculatlon + no nitrogen fertilizer, 2) inoculation + no nitrogen ertiiizer; 3) inoculation + 30 kg Nlfed; 4) inoculation + 60 kg Nlfed; 5) inoculation + 90 kg Nlfed, and 6) uninoculation + 90 kg N/fed, as well as their interactions on soybe n yield and its components.
The obtained results showed that increasing the distance bet een plants significantly decreased seed yield/fed and plant height and increase number of seeds/plant.
All studied characters were significantiy Increased by increas ng nitrogen fertilizer levels. The economic treatment was obtained by inoculation + 30 g Nlfed for all studied characters with 32 plantslm2• In the same time, this treatmen save 60 kg Nlted as compared with 90 kg Nlted + Inoculation.
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