Effects of Azospirillum amazonense and Bacillus subtilis on High-Yielding Rice (cv. Ma Lam 213) Cultivated on Sandy Loam Soils of Phu Yen Province, Vietnam
Journal of Plant Sciences
Volume 2, Issue 6, December 2014, Pages: 324-333
Received: Dec. 10, 2014; Accepted: Dec. 23, 2014; Published: Dec. 31, 2014
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Authors
Van Thi Phuong Nhu, Dept. Biology, Phu Yen University, Phu Yen Province, Vietnam
Truong Trong Ngon, Dept. Molecular Biology Biotechnology, Biotechnology R&D Institute, Can Tho University, Can Tho City, Vietnam
Cao Ngoc Diep, Dept. Microbiology Biotechnology, Biotechnology R&D Institute, Can Tho University, Can Tho City, Vietnam
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Abstract
Two field experiments were conducted to evaluate effects of two endophytic bacterial strains (Azospirillum amazonense SHL70, Bacillus subtilisTAL4) together with different levels of inorganic nitrogen and phosphorus fertilizers on the growth and grain yield of high-yielding rice (cv. Ma Lam 213) cultivated on silty clay loam soils of Dong Hoa district and Tuy An district, Phu Yen province, Vietnam in Summer-Autumn 2014 cropping-season. The results of two field trials showed that bacterial inoculation in rice plants (either SHL70 or TAL4 and especially mixture of SHL70 and TAL4) plus 60 kg N and 40 kg P2O5/ha having yield components and grain yield were not significant difference with those of rice only applying 120 kg N and 80 kg P2O5/ha without inoculation therefore both of bacteria strains provided 50% biological nitrogen and available phosphorus quantity for high-yielding rice requirement, improvement of quality grain and soil fertility of Dong Hoa district and Tuy An district, Phu Yen province.
Keywords
Azospirillum amazonense, Biological Nitrogen Fixation, Bacillus subtilis, Grain Yield, High-Yielding Rice, Phosphate Solubilization
To cite this article
Van Thi Phuong Nhu, Truong Trong Ngon, Cao Ngoc Diep, Effects of Azospirillum amazonense and Bacillus subtilis on High-Yielding Rice (cv. Ma Lam 213) Cultivated on Sandy Loam Soils of Phu Yen Province, Vietnam, Journal of Plant Sciences. Vol. 2, No. 6, 2014, pp. 324-333. doi: 10.11648/j.jps.20140206.20
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