Volume 38, Number 1
+ Volume 38, 2019
Issue 1
+ Volume 37, 2018
+ Volume 36, 2017
+ Volume 35, 2016
+ Volume 34, 2015
+ Volume 33, 2014
+ Volume 32, 2013
+ Volume 31, 2012
Science, Technology and Development Vol. 37 (1), 2018
Research Article
Evaluating the Interactive Effects of Rates and Methods of Phosphorus Application on Wheat Productivity
Abdur Rehim, Irfan Ali, Muhammad Amjad Bashir, Sajjad Hussain, Mubshar Hussain, Shakeel Ahmad and Fiaz Ahmad
Abstract: Wheat (Triticum aestivum L.) is one of the major cereal crops of the world, which is grown under diverse climatic conditions across the globe. It is consumed as a staple food by the people of Pakistan. However, its productivity is low as compared to the potential of varieties being cultivated. Phosphorus (P) application is very important to increase the yield of wheat. In this study, wheat productivity was evaluated under different P application rates and techniques. It was applied through band-placement, broad-casting and fertigation at seven different levels (viz. 0, 25, 50, 75, 100, 125, 150 kg P2O5 ha–1). The results revealed that P fertigation improved yield parameters, straw and grain P contents, P uptake and protein in wheat grain as compared to other techniques. Moreover, the high Olsen P was found for broad-casting technique. The applied P at higher rates increased the P contents, its uptake, Olsen P and wheat yield; P fertigation at 125 kg P2O5 ha–1 was more appropriate and economically viable for increasing the wheat yield.
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