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More Crop Per Drop: Benchmarking On-Farm Irrigation Water Use For Crop Production., Katherine Elizabeth Boone Gibson
More Crop Per Drop: Benchmarking On-Farm Irrigation Water Use For Crop Production., Katherine Elizabeth Boone Gibson
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Efficient use of irrigation is essential to meet food production needs of growing global populations while ensuring long-term sustainability of freshwater resources. However, lack of on-farm irrigation data constrains understanding of irrigation variation and no framework exists to benchmark irrigation use using actual irrigation data. The following work investigates variation in irrigation using a database of ca. 1400 maize and soybean fields over 9 years in Nebraska and presents a framework to benchmark irrigation use using a separate database of ca. 1000 maize and soybean fields in Nebraska as proof of concept. “State-of-the-art” crop models estimated yield potential and irrigation …