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Effect of Rhizobia Inoculation and foam sulfur application to the soil on nitrogen fixation and minetal content of Cowpea ( Vigna sinesis ) | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 13, Issue 3, 2008, Pages 188-198 | ||
| Author | ||
| Jameel Y. Al-Timimey | ||
| Abstract | ||
| An experiment was conducted college of Agriculture farms- University of Baghdad during the seasons of 1996 and 1997 on Cowpea plants using two levels of Rhizobia inoculation ( with and without inoculation ) and four levels of foam sulfur application ( 0, 1000 , 2000 , 3000 Kg/ h ) . Results indicated that inoculation caused a significant increases in nitrogen fixation and minetral contents of plants compared with non- inoculated plant for the two seasons . Foam sulfur applications caused a significant increase in all characteristics except Mo-concentration which was decreased for the two seasons . 2000 Kg/ha of foam sulfur applications soil has a higher nitrogenase enzyme activity ( 164.5 , 14.16 ) mg ethylene / L / plant / h and a higher N ( 2.407, 2.40% ) . K ( 3.32, 3.30 % ) concentration whereas number 141.3, 159.5 nodul /2 plant and weight 1.45 , 1.55 gm / 2 plant and a higher concentration of P 0.370 , 0.376 % , Fe 759.7 , 77.4 mg/Kg and Co 0.4. , 0.437 mg / Kg . | ||
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