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在杂交玉米区域试验中为了能对参试品种的主要特征、特性作出客观的评价,试验地点应尽可能生态条件一致,尤其是海拔高度不能相差太大;在对区域试验中参试品种进行简评时应作一般性评价和特殊性评价。
In the regional experiment of hybrid maize, in order to make an objective evaluation of the main characteristics and characteristics of the tested varieties, the ecological conditions should be as same as possible in the test sites, especially the altitude should not be too big difference; Evaluation should be made for general evaluation and special evaluation.