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Kaleeswari, R. K.
- Bio-Organic Influence on Phosphatic Fertilizers Under Wetland Rice Ecosystem in an Alfisol
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1 Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
1 Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
Source
An Asian Journal of Soil Science, Vol 4, No 1 (2009), Pagination: 99-101Abstract
The efficiency of P fertilizers of varying water solubility was evaluated by comparing the grain yield, P uptake and economic returns. The results revealed that application of SSP @ 50 kg P2O5ha-1+ Azophos @ 2 kg ha-1+ FYM @ 12.5 tha-1 recorded the highest grain yield (4760 kg ha-1). Among the P sources, highest grain yield was recorded due to the application of SSP as compared to URP. Among the microorganisms inoculated, Azophos enhanced the rice yield followed by VAM and phosphobacteria. The B: C ratio was higher under SSP @ 50 kg P2O5 ha-1 + Azophos @ 2 kg ha-1. Though the B:C ratio was low in FYM treated plots, incorporation of FYM increased the grain yield and P uptake. For better dissolution of P, Azophos can be used as an efficient P solubilizer under low land ecosystem.Keywords
Rice Yield, Phosphorus, P Solubilising Microorganisms, Phosphorus, Uptake, FYM.- Evaluation of Soil Phosphorus Tests and its Relation to Inorganic P forms in Flooded Soils
Abstract Views :133 |
PDF Views:0
Authors
Affiliations
1 Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN
1 Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore (T.N.), IN