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EL-SAYED, S. (1997). INFLUENCE OF SALINITY ON GROWTH, YIELD, NUTRIENT UPTAKE AND BIOLOGICAL NITROGEN FIXATION IN GUAR. Egyptian Journal of Agricultural Research, 75(1), 1-14. doi: 10.21608/ejar.1997.401507
SAID A.M. EL-SAYED. "INFLUENCE OF SALINITY ON GROWTH, YIELD, NUTRIENT UPTAKE AND BIOLOGICAL NITROGEN FIXATION IN GUAR". Egyptian Journal of Agricultural Research, 75, 1, 1997, 1-14. doi: 10.21608/ejar.1997.401507
EL-SAYED, S. (1997). 'INFLUENCE OF SALINITY ON GROWTH, YIELD, NUTRIENT UPTAKE AND BIOLOGICAL NITROGEN FIXATION IN GUAR', Egyptian Journal of Agricultural Research, 75(1), pp. 1-14. doi: 10.21608/ejar.1997.401507
EL-SAYED, S. INFLUENCE OF SALINITY ON GROWTH, YIELD, NUTRIENT UPTAKE AND BIOLOGICAL NITROGEN FIXATION IN GUAR. Egyptian Journal of Agricultural Research, 1997; 75(1): 1-14. doi: 10.21608/ejar.1997.401507

INFLUENCE OF SALINITY ON GROWTH, YIELD, NUTRIENT UPTAKE AND BIOLOGICAL NITROGEN FIXATION IN GUAR

Article 1, Volume 75, Issue 1, March 1997, Page 1-14  XML PDF (3.56 MB)
Document Type: Original Article
DOI: 10.21608/ejar.1997.401507
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Author
SAID A.M. EL-SAYED
Soil, Water, and Environment Research Institute, Agricultural Research Centre, Giza, Egypt.
Abstract
This study reports the effect of salinity and inoculation on gro-wth, ion uptake and nitrogen fixation by guar (Cyamopsis tetragonoloba (L) Taub.) A soil of ECe level 8.3 dS/m was quite detrimental, causing about GO% decline in dry matter and grain yield of guar plants whereas a soil of ECe level 10.0 dS/m was almost toxic. In contrast, most of the studied strains of Rhizobium were salt tolerant. Nevertheless, nodulation, nitrogen fixation and total nitrogen concentration in the plant were drastically affected at high salt concentration. A noticeable decline in acetylene reduction activity occurred when salinity level increased to 8.3 dS/m. 
Keywords
Cyamopsis tetragonoloba; Rhizobacteria; Biofertilizers; Crop Yield
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