【摘要】 <正> 为了加快我省水土保持工作,保护土壤,合理利用土地资源,在开展土壤普查和资源调查工作的同时,也应同时进行土壤侵蚀的调查研究,完成公社一级的侵蚀程度图和水土保持规划、县一级的土壤侵蚀分区和水土保持区划,为开展群众性的水土保持工作打下基础。根据我们对忠县的土壤侵蚀调查,通过几十个典型样方资料的分析,并结合其他试验研究,初步提出我省盆地丘陵区,耕地土壤侵蚀程度的分级指标,供土壤侵蚀调查参考。更多还原

【Abstract】 Based on investigations made on soil erosion in Zhongxian and Bishan in E. Sichuan and analysis and computations made on experimental data obtained from several tens of typical plots, together with related tests and studies, the author suggests classification of soil erosion into 5 classes, namely, slight, light, moderate, heavy and severe, as also principles on which the purple soils of cropland in rolling area in Sichuan may be zoned with respect to degree of erosion, the factors taken into account and indices related to the combined factor of multiple causes.更多还原