International Journal of Chemical Studies
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P-ISSN: 2349-8528, E-ISSN: 2321-4902   |   Impact Factor: GIF: 0.565

Vol. 5, Issue 4 (2017)

Effect of soil salinity, sources of p and biofertilizers on soil microbial biomass p and salinity tolerance of cowpea [Vigna unguiculata (L.) Wilczek]


Author(s): Sushila Aechra, BL Yadav, Bhuli Devi Ghosalya and Jitendra Singh Bamboriya

Abstract: A pot experiment was conducted in 2015 at S.K.N. College of Agriculture, Jobner during kharif season using cowpea as a test crop to investigate the effect of phosphorus management in cowpea grown on saline soils. Three levels each of saline soils (EC 1, 4.0 and 6.0 dS/m), phosphorus sources (SSP, DAP and PROM), and biofertilizers (control, PSB and PSB + VAM), were tested in completely randomized design with three replications. The results indicated that application of soil salinity having EC 1dS/m recorded the maximum and significantly higher microbial biomass P of cowpea over rest of the treatments. Result further indicate that application of phosphorus source PROM recorded the maximum and significantly higher microbial biomass P of cowpea over rest of the treatments. Dual inoculation with PSB + VAM recorded the maximum and significantly higher microbial biomass P of cowpea over rest of the treatments. The results indicated that application of soil salinity having EC 1dS/m recorded the lowest Na/K and Ca/Mg ratio and highest Na/Ca and Na+K/Ca ratio over the rest treatments. Application of phosphorus source PROM recorded the maximum and significantly lowest Na/K, Ca/Mg ratio, Na/Ca and Na+K/Ca ratio over the rest treatment. Dual inoculation with PSB + VAM recorded also lowest Na/K and Ca/Mg ratio and highest Na/Ca and Na+K/Ca ratio over the rest treatments.

Pages: 1433-1437  |  777 Views  40 Downloads

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How to cite this article:
Sushila Aechra, BL Yadav, Bhuli Devi Ghosalya, Jitendra Singh Bamboriya. Effect of soil salinity, sources of p and biofertilizers on soil microbial biomass p and salinity tolerance of cowpea [Vigna unguiculata (L.) Wilczek]. Int J Chem Stud 2017;5(4):1433-1437.
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