An Integrated Water-Saving and Quality-Guarantee Uncertain Programming Approach for the Optimal Irrigation Scheduling of Seed Maize in Arid Regions

被引:14
|
作者
Guo, Shanshan [1 ]
Wang, Jintao [2 ]
Zhang, Fan [1 ]
Wang, Youzhi [1 ]
Guo, Ping [1 ]
机构
[1] China Agr Univ, Coll Water Resources & Civil Engn, Ctr Agr Water Res China, Beijing 100083, Peoples R China
[2] Chinese Acad Sci, Inst Genet & Dev Biol, Ctr Agr Resources Res, Key Lab Agr Water Resources, Shijiazhuang 050021, Hebei, Peoples R China
基金
中国国家自然科学基金;
关键词
optimal irrigation scheduling; uncertainty; seed quality; soil-water balance; deficit irrigation; DEFICIT IRRIGATION; USE EFFICIENCY; OPTIMIZATION MODEL; WEIGHT RESPONSE; HEXI CORRIDOR; WHEAT; PRODUCTIVITY; ALLOCATION; SIMULATION; STRATEGY;
D O I
10.3390/w10070908
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
With population growth and water scarcity, efficient crop production has drawn attention worldwide. In the Hexi Corridor, the largest production base of maize seed in China, it is desired to develop efficient irrigation strategies for seed maize. Considering the double criteria of yield and seed quality, an integrated water-saving and quality-guarantee uncertain programming approach (IWQUP) was developed in this study to help with agricultural sustainable development. The IWQUP combined deficit irrigation theory, soil-water balance, and multiple uncertainties. The water-flowering model (WFM) and kernel weight prediction model with water production functions were used to reflect the relationship among water consumption, crop yield, and seed quality. Meanwhile, to deal with the widespread existence of uncertainties in nature and the decision-making process, interval programming and fuzzy programming were integrated within the framework of IWQUP, along with the use of the genetic algorithm and Monte Carlo simulation. The results showed that when the climatic condition is moist, decision-makers may use a low tolerance level in order to reduce the water waste, enhance the water use efficiency, and guarantee a relatively high seed quality. When the climate is harsh, a high tolerance level to water use constraints is recommended in order to guarantee yield. In addition, optimistic decision-makers could choose a relatively high tolerance level, but in moist years they should be careful in order to avoid water waste. The established model was compared with three other models to represent its practicability for offering decision-makers various references under different scenarios.
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页数:16
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