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Effect of Potassium Fertilizer and Foliar Application of Nutrient Solution ( Growth ) on the Growth and Yield of Cowpea ( Vigna sinensis L. ) Planted in A Gypsiferous Soil | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 11, Issue 4, 2011, Pages 412-421 | ||
| Author | ||
| Ghassan Jayid Zedan | ||
| Abstract | ||
| The field study was conducted during agricultural season of 2010 in the field of college agriculture / Tikrit university in order to determine response of cowpea to potassium fertilizer treatment in three levels 0 , 33.75 , 67.50 kg K ha-1 and sprying four levels of the nutrient solution ( Growth ) 0 , 2 , 4 , and 6 sprayings . The experiment was designed in Randomized Complete Block Design in three replications . Results had shown that the potassium fertilizer treatment in 33.75 ( kg K ha-1 ) level has significant increase in plant weight , pods number and the yield of plant . The treatment 2 sprayings of ( Growth ) nutrient solution caused an increase in seeds number of pod . Whereas 4 sprayings of ( Growth ) nutrient solution increased significantly leaves number character . In the same time the 6 sprayings of ( Growth ) nutrient solution gave increment in plant weight and yield . While the control treatment gave significant increment in the weight of 100 seed character . Whereas the interaction treatment between potassium fertilizer treatment of 33.75 ( kg K ha-1 ) level and 6 sprayings of ( Growth ) nutrient solution gave significant increase in each of plant weight , pods number , and plant yield . Whereas the potassium fertilizer treatment of 33.75 ( kg K ha-1 ) without sprayings gave significant increase in 100 seed character . The potassium fertilizer treatment of 67.50 ( kg K ha-1 ) level with 2 sprayings of ( Growth ) nutrient solution gives significant increase in branches number character . While the control treatment gave significant treatment increment in both leaves number and pod length characters . | ||
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