- H43J-1648: Regional Disparities in Crop Water Requirements and Climate-Responsive Irrigation Planning across Punjab, Pakistan
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Board 1648‚ Hall EFG (Poster Hall)NOLA CC
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Saliha Qamar, University of Memphis (First Author, Presenting Author)
Farhad Jazaei, University of Memphis
Mohammad Hamza, University of Memphis
Hadeed Ashraf, Agriculture Engineering Institute, NARC
This is a study that looks into the impact of changing climatic conditions on water needs of key crops in Pakistan, Punjab. Climate data for the interval of 1950- 2021, which includes temperature, rainfall, humidity, and solar radiations was taken. Crop Water Requirement (CWR) of wheat, rice, maize, cotton, and sugarcane was calculated using Penman-Monteith equation. Results show that the cotton and sugarcane require significantly more water intake than the rest of the crops being examined. The study showed that CWRs have increase temporally and spatially, noticeably after 1990 due to the changes in rainfall frequency and high average temperatures. The Irrigation Scheduling analysis showed that shifts in the timing and volume of water needed for different crops varied significantly across agro-climatic zones and decades. By identifying both long-term trends and spatial patterns, the study paves the way for data-driven decision-making in agricultural water management.
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