2013•Journal of Water Resources and Water EngineeringRequires access

Study on relationgship between limited irrigation guarantee rate and yield in pumping irrigation extended district of Ningxia

Wang Le

Abstract

The paper analyzed the rainfall frequency of Ningxia limited irrigation area and got corresponding crop yield under the different limited irrigation quota.Through analyzing the shortage water in different area and various rainfall rate,irrigation guarantee degree of the limited irrigation conditions and the relationgship between the irrigation guarantee degree and the yield,the paper proposed appropriate expanding coefficient ranges of promoting limited irrigation in the irrigation district.

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Available abstract

Key concepts: Irrigation, Irrigation district, Yield (engineering), Economic shortage, Environmental science, Low-flow irrigation systems, Water resource management, Surface irrigation