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采用模糊综合评判的方法，对复肥的农化性质进行评判。模型将复肥的农化性质分成外在质量、内在质量、其它因子三个第一层评判；外在质量分为剂型、包装、贮存性能、使用说明，内在质量分为养分比例、养分总浓度、田间施用效果、养分形态、添加剂、几个副成分第二层评判。利用专家系统对各因子赋予不同的权重。本评判系统可以帮助有关部门全面地认识复肥
The method of fuzzy comprehensive evaluation was used to evaluate the agrochemical properties of compound fertilizer. The model divides the agrochemical properties of the compound fertilizer into external quality, intrinsic quality and other factors. The external quality is divided into dosage form, packaging, storage performance, use instructions, internal quality is divided into nutrient proportion, total nutrient concentration , Field application effect, nutrient pattern, additives, second sub-ingredient of several sub-judgments. Use expert system to give different weight to each factor. This evaluation system can help relevant departments to fully understand the compound fertilizer