| 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. | With the increase of vegetation coverage , the amounts of slowly available k and rapidly available k lost in the runoff obviously decrease 植被覆盖度增大,缓效钾、速效钾流失量显著减少。 |
| 3. | The amount of slowly available k , rapidly available k , and dissolved k increase with the increase of amount of rainfall 溶解态钾流失量随着雨量的增大而增大。缓效钾、速效钾流失量随着雨量的增大而显著增大。 |
| 4. | 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。 |
| 5. | When vegetation cover - degree is 60 % , amount of slowly available k , rapidly available k , and dissolved k lost in the runoff are less 97 . 49 % , 97 . 31 % , and 73 . 14 % 当植被覆盖度达到60时,缓效钾、速效钾和溶解态钾流夫量分别比裸地减少了97 49 、 97 31和73 |
| 6. | ( 5 ) the concentration of dissolved k and amount of dissolved k , rapidly available k , and slowly available k lost in the runoff increase obviously with the increase of rain intensity ( 5 )雨强(冲刷强度)增大,溶解态钾浓度,溶解态钾、缓效钾和速效钾流失量明显增加。 |
| 7. | When vegetation coverage is 10 % , amount of slowly available k , rapidly available k , and dissolved k lost in the runoff are less 74 . 51 % , 73 . 84 % , and 4 . 66 % than open ground 当植被覆盖度达到10时,缓效钾、速效钾和溶解态钾流失量分别比裸地减少了74 51 、 73 84和4石6 |
| 8. | 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。 |
| 9. | K mainly migrated with sediment in unsolvable forms , while slowly available k chiefly removed with soil . the amounts of total k , slowly available k , and rapidly available k loss have positive correlation to amount of soil loss 黄绵土土壤钾素主要以不溶态的形式随泥沙迁移,全钾、缓效钾、速效钾流失量与土壤流失量呈正相关关系;缓效钾在水土流失过程中主要随土流失。 |
| 10. | ( 3 ) the amounts of total k , slowly available k , rapidly available k , and dissolved k lost in the runoff increase obviously with the increase of slope gradient . the relationships between slope gradient and amount of total k , slowly available k , rapidly available k , and dissolved k loss can be expressed by exponential functions ( 3 )全钾、缓效钾、速效钾和溶解态钾流失量随坡度增大而增加的规律十分明显,且全钾、缓效钾、速效钾和溶解态钾的流失量与坡度呈显著的指数函数关系。 |