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effect of phosphorus application and irrigation scheduling on wheat yield and phosphorus use efficiency.
Author(s)
A. Rahim Department of Agronomy and Soil Science, UCA Bahauddin Zakariya University, Multan, Pakistan
A. M. Ranjha Institute of Soil & Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
Rahmatullah Institute of Soil & Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
E. A. Waraich Department of Crop Physiology, University of Agriculture, Faisalabad, Pakistan
Abstract
In view of the importance of wheat, less available and costly P fertilizer and shortage of water a field study was conducted under farmer’s field conditions to see the effect of phosphorus application and irrigation scheduling on wheat yield and phosphorus use efficiency. Fertilizer P doses 0, 47, 81 and 111 kg P2O5 ha-1 were calculated by using adsorption isotherms and applied by broadcast and band placement. Four irrigations i.e. 0, 2, 3, 4 were applied at critical stages of wheat. Basal N:K=130:65 kg ha-1 were applied. Wheat grain yield increased from 1.58 Mg ha-1 to 3.94 Mg ha-1 with the use of P @ 81 kg P2O5 ha-1. Band placement of P proved better over broadcast, whilst three irrigations at crown roots, booting, and grain development stages were sufficient to get maximum yield and improve phosphorus use efficiency.
Publication Details
Page(s) 15-22
DOI DOI not available
Published Journal: Soil and Environment, Volume: 29, Issue: 1, Year: 2010
Keywords
Keywords are not available for this article.
References
Rahim A.,Ranjha A. M.,Waraich E. A. .2010 .Effect of phosphorus application and irrigation scheduling on wheat yield and phosphorus use efficiency. Soil and Environment, 29(1) : 15-22.
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