| 1. | Rain intensity has more effect on the loss of soil , slowly available k , and rapidly available k than slope gradient
雨强比坡度对土壤、缓效钾和速效钾的流失影响更大。 |
| 2. | Vegetation coverage ( slope gradient 20 ) has more effect on the loss of soil , slowly available k , and rapidly available k than slope gradient
植被（在坡度20o64 ）比坡度对土壤、缓效钾和速效钾流失量的影响更大。 |
| 3. | Kci mainly loss with the form of dissolved k . er of rapidly available k almost unchanged after fertilizing kci , but decreases with the increase of slope gradient
施kci会使土壤和径流中的钾流失量增加，施的kci主要以溶解态钾的形式流失。 |
| 4. | Taking slope gradient , aspect , curvature and stream channel networks as examples , an overall analysis was made to explore the accuracy and application feasibility in this paper
并选定坡度、坡向、曲率、沟壑等地形因子为指标，对dem地形分析的精度与应用适宜性特征进行了较为全面的分析。 |
| 5. | Slope stability is analyzed according to rainfall intensities , prophase total rainfall , different soil slope gradients and vegetation by saturated - unsaturated seepage theory
摘要在饱和非饱和渗流理论基础上，从降雨强度、前期降雨总量、不同的土坡坡度以及是否考虑植被护坡等方面对大气降雨条件下土坡的稳定性进行了探讨。 |
| 6. | Rain intensity has little effect on er of rapidly available k and slowly available k , and leads some decrease of er of rapidly available k . er of rapidly available k increases with the decrease of slope gradient
雨强对速效钾、缓效钾的富集率影响不大，速效钾的富集率有一定的减少；随着坡度的减小，速效钾富集率有增大的趋势。 |
| 7. | With the same slope gradient and slope length , the soil erosion on the dyke slope caused by the runoff mainly depended on the factors such as the runoff , flow velocity , rainfall intensity , rainfall duration , as well as the up - slope drainage area of dyke slope
坡度、坡长一定时，径流对戗坡的侵蚀主要与径流量、流速、雨强、降雨历时，戗坡以上汇聚水量或集水面积有关。 |
| 8. | 8 disaster factors of soil erosion have been defined : surface material , landform and slope gradient , cover - degree , topographic , 30min rainfall intensity , engineering measure grade of conservation of water - soil , irregular subsidence and volume weight
确定了土壤水性的8个致灾因子: 30而n暴雨强度、地表物质、地形坡度、植被搜盖度、植被类型、工程水土保持措施等级、容重和非均匀沉降 |
| 9. | In this thesis , with eight events of artificial water - washing test on five different slope gradients , factors affecting soil potassium loss by erosion , such as slope gradient , rain intensity , vegetation coverage , and amount of rainfall are discussed
本文通过在5个不同坡度径流小区进行的8次人工模拟冲刷试验，探讨了坡度、放水冲刷强度、植被和降雨量等因素对土壤钾素径流流失的影响。 |
| 10. | ( 4 ) the concentration of dissolved k decreases with the prolonging of water - washing time and increases with the increase of slope gradient . but the concentration of dissolved k decreases with the increase of slope gradient , when vegetation coverage 60 % and amount of rainfall 100mm
( 4 )径流中溶解态钾浓度基本随冲刷时间的延长而减小，随坡度的增大而增加，而当植被覆盖度60时(雨量100mm ) ，溶解态钾浓度随着坡度的增大而减小。 |
