在江西省选择一个人工增雨试验区，合理确定影响区、对比区、和作业单元，科学设计试验区非随机化人工增雨试验方案；开展非随机化人工增雨外场试验，对比分析作业单元和非作业单元作业前后云降水系统的宏、微观变化，找出播云效果的物理证据，对比分析影响区和对比区的作业单元和非作业单元的降水量；对非随机化的序列试验、对比试验、双比分析、区域历史回归试验、协变量回归试验等统计检验方案进行功效数值分析，对比分析不同统计检验方案的功效值和灵敏度，确定该试验区的人工增雨效果检验最优实用统计方案；利用最优实用统计检验方案进行人工增雨效果统计检验，给出试验区人工增雨作业效果，同时进行统计显著度检验，使检验的人工增雨效果满足要求的统计显著度水平；通过基于功效分析的人工增雨作业效果最优实用统计检验方案的研究及外场示范试验，研发一套人工增雨效果统计检验实用软件，帮助地方有效开展人工增雨效果检验工作，并逐步推广应用。

One demonstration region in Jiangxi province for rain enhancement field experiment will be selected. The affected region, contrast region and operation unit will be determined, and the scientific non-randomized rain enhancement field experiment scheme in the demonstration region will be designed. By non-randomized rain enhancement field experiment, the difference of macro and micro structure of clouds and precipitation system before and after seeding will be contrasted and analyzed, and the physical proofs for the cloud seeding effectiveness will be found out. Meanwhile, the precipitation at operation unit and non-operation unit in the affected region and contrast region will be collected, contrasted and analyzed. By statistical power analysis of non-randomized sequence scheme, contrast scheme, double ratio scheme, regional history regression scheme, covariate regression scheme, etc., the statistical power value of different scheme will be contrasted and the optimized practicable scheme for the rain enhancement effectiveness evaluation in the demonstration region will be determined. After the statistical evaluation of rain enhancement effectiveness by the optimized practicable scheme, the rain enhancement effectiveness in the demonstration region will be offered and the statistical significance level will be reached by significance test. After the research of the optimized practicable scheme for the rain enhancement effectiveness evaluation based on the statistical power analysis and the field experiment and demonstration, a set of practicable software for the rain enhancement effectiveness evaluation will be developed to help the local weather modification affiliation to do the rain enhancement effectiveness evaluation work and it is expected to be applied and generalized.