| 1. | Study on k adsorption - desorption kinetics of purple soil 吸附解吸动力学研究 |
| 2. | Soil fertility restoration on degraded upland of purple soil 紫色土退化旱地的肥力恢复与重建 |
| 3. | Relationship between organo - mineral colloidal complex and fertility of purple soil 无机复合体与土壤肥力的关系 |
| 4. | Numerical simulation of one - dimentional horizontal water flow in purple soils 紫色土水分一维水平运动的数值模拟 |
| 5. | Screening of arbuscular mycorrhizal fungi with high ecological adaptations in purple soil 灰棕紫泥土中具生态适应能力丛枝菌根真菌的筛选 |
| 6. | Response of sediment flow behavior to storm type and spatial scale in purple soil watershed 紫色土区小流域泥沙输出过程对雨型和空间尺度的响应 |
| 7. | Effects of spatial scaling on the runoff - sediment - yielding of the purple soil region in sichuan 四川紫色土地区流域侵蚀产沙空间的尺度效应初探 |
| 8. | Temporal - spatial variations of ammonia and nitrate under application of inorganic and organic fertilizers in purple soil of winter wheat 铵态氮及硝态氮的时空变异 |
| 9. | The water and soil conservation effect of plating sabaigrass in purple soil bare sloping field is excellent 因此,紫色土荒坡地种植龙须草的确具有较好的水土流失防治效应。 |
| 10. | According to the investigation , purple soil cropland covered 78 . 7 percent of the area of total cropland in the three - gorge reservoir area and the most of the purple soil cropland is slopeland 据调查,紫色土占三峡库区耕地面积的78 . 7 ,且其中绝大多数为坡地。 |