首先，通过污水对土壤、农作物、地下水以及水体功能的影响分析，建立了污水灌溉安全性评价的指标体系。
At first, through analyse the influence on the soil, crops, groundwater and function of water body of sewage, the index system of sewage irrigation security appraisal have been set up.
该项技术已针对山东省不同种植作物、不同灌溉措施进行了系列推广，逐步形成了一套成熟的完整的应用技术体系。
Currently, the technique has been extended to the different crops and different irrigation methods of the province to form an application system of well-rounded and complete technique.
阐述了农业节水灌溉的三大体系，并指出节水必须遵循经济规律同时要考虑综合效益。
The water saving irrigation in the three systems, and that water must follow the economic laws at the same time take into account the benefits.
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