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在红壤丘陵坡地上建立了16个迳流小区，在每个迳流场地设置不同林分结构类型，按随机区组设计。经过对各林分结构迳流场的前期定位观测，分析了各林分结构迳流与年降水的关系，从中得出的结论是：单纯以乔木树种、灌种或乔灌种的林分结构水土流失严重，以乔灌草配置的多层次林分结构保持水土较好，其次是乔草种林分结构类型。
Sixteen flow cells were established on the hilly slopes of red soil. Different types of stands were set up in each flow field and designed according to random block design. After observing the pre-positioning of the flow field in each forest structure, the relationship between the flow of each forest structure and the annual precipitation was analyzed. The conclusions drawn from this study are as follows: The stand structure Soil and water loss is serious, with multi-level stand configuration of trees, shrubs and grass to keep the soil and water well, followed by the Qiao grass species stand structure type.