PJB-2013-137
PROFIT MAXIMIZING LEVEL OF POTASSIUM FERTILIZER IN WHEAT PRODUCTION UNDER ARID ENVIRONMENT
GHULAM ABBAS1, J.Z.K. KHATTAK2, G. ABBAS3, M. ISHAQUE4, M. ASLAM 1, Z. ABBAS1, M.AMER1 AND M.B. KHOKHAR1
Abstract
A field experiment was conducted at Farmers field on adaptive research station Mianwali during Rabi 2006-07 and 2007-08, to evaluate the response of wheat variety BK-2002 to various levels of fertilizers. The experiment was laid out in Randomized Complete Block Design having three replications. Significant (p=0.05) response of potassium application on wheat was observed on tillering, number of spikelets per spike, number of grains per spike, 1000-grain weight and yield with the increase of K2O up to 93 kg ha-1. The pooled data of two year revealed that maximum 1000-grain weight (47.83 g) and yield (4533 kg ha-1) were achieved by the application of 93 kg of K2O ha-1on wheat crop. All other levels of K2O application showed a decrease in the parameters of wheat production. Regression analysis of the pooled data depicted a significant (p
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