Effect of Bacillus subtilis and TSP on Yield and Yield Components of Two Rice Varieties (Ali Kazemy and Hashemy)

Document Type : Research Paper

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Abstract

To evaluate the effect of phosphorus solubilizing bacteria (PSB) and chemical phosphorus fertilizer on yield and yield components of two rice cultivars an experiment was conducted in Lahijan region during 2011 growing season, using randomized complete block design with three replications. The variables were rice cultivar at 2 levels (Ali Kazemy and Hashemy), phosphorus chemical fertilizer at 3 levels (control, 25, and 50 kg of triple super phosphate/ha), and phosphorus solubilizing bacteria (PSB) at 2 levels (control and Bacillus subtilis). The highest grain yield was obtained in Hashemy cultivar with application of PSB. The largest harvest index was observed in Hashemy cultivar with application of 25 kg/ha phosphorus chemical fertilizer + bacteria. Tiller number in Hashemy cultivar with application 50 kg/ha TSP was more than the others, and the maximum 1000-grain weight was observed in Ali Kazemy cultivar with application of PSB.

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Iranian Journal of Soil Research
Volume 29, Issue 3 - Serial Number 3
December 2015
Pages 259-268

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