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Estimating wheat productivity function under capricious irrigation sources: An evidence from the upland Balochistan.

Author(s)
S. M. Khaira University of Information Technology, Engineering and Management Sciences (BUITEMS), Quetta, Pakistan
Abdul-Raziq University of Information Technology, Engineering and Management Sciences (BUITEMS), Quetta, Pakistan
Abdul-Wadood University of Information Technology, Engineering and Management Sciences (BUITEMS), Quetta, Pakistan
Richard Culas School of Agriculture and Wine Sciences, Charles Sturt University Australia
Javed Iqbal Abdul Wali Khan University Mardan, Khyber Pakhtunkhwah, Pakistan
Abstract
The aim of this study was to estimate the determinants of wheat productivity on varying irrigation sources in the upland Balochistan. Wheat growers including tubewell owners; water buyers and rain-fed farmers were selected from the five districts of upland Balochistan. Wheat crop was chosen for its wide coverage and cultivation across the study area. The results of the wheat productivity function analysis showed that among other crop inputs fertilizer and organic farm yard manure (FYM) have significant positive effect on wheat yield. While the number of irrigations (IRRI) has positive and seed rate has negative relationship with wheat yield. The source of irrigation specific dummies shows that yield of tubewell owners was greater than that of water purchaser and rain-fed grower. The comparison of wheat productivity of tubewell owners; water buyers and water non-buyers shows the economic effect of tubewell irrigation on crop productivity by providing a reliable access to irrigation water. The rain-fed farmers got the lowest yield for not having assured irrigation. One of the key findings of this study is that overall productivity can be increased by a reliable water supply through tubewells; the water in excess of own needs can be sold to fellow farmers to ensure the full utilization of tubewell capacity. The results also show the importance of tubewell irrigation in enhancing productivity leading to self-sufficiency in food production for increasing population.
Publication Details
Page(s) 25-35
DOI DOI not available
Published Journal: BUITEMS Journal of Applied and Emerging Sciences, Volume: 1, Issue: 1, Year: 2015

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