摘要
为解决井灌区吨粮田建设中出现的“三多一高”问题，桓台县采取多学科联合攻关，从１９８８年到１９９１年，完成了节水灌溉技术体系研究──农作物生育节水和工程传输节水。应用该技术体系，促进了水、肥、气、热四大增产要素的优化匹配，试验小区３年产量平均达１７０４０ｋｇ／ｈｍ２，耗水仅７４０ｍｍ，水分生产率１．５３７ｋｇ／ｍｍ，粮食成本下降２９．８％，农民纯收入增加１．１２倍。
In order to solve the problems existed in the ton-grain yield field construction in well irrigation area,the experiment and study of the technical system (crop growing and structure transfer water-saving) for watersaving irrigation have been completed in the Huantai County in the period for 1988 to 1991 by a multi-subject combination study. The four elements of water, fertility, air and heat for yield increase are well matched by using of the technology. Meanwhile, the average yield of the three years reached to 17 040 kg/hm2, the water consumption was only 740mm, The water productivity was 1. 537 kg/mm, the grain cost decreased by 29. 8% and the net income of farmers was increased by 1. 12 times.
关键词
北方井灌区
节水灌溉体系
优化匹配
well irrigation in North China water-saving irrigation system well matched.
