| 增加土壤渗透,减少水土流失 |
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| 引用本文： | 田积莹,黄义端,雍绍平.增加土壤渗透,减少水土流失[J].水土保持通报,1988(3):25-31. |
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| 作者姓名： | 田积莹 黄义端 雍绍平 |
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| 作者单位： | 中国科学院西北水土保持研究所;中国科学院西北水土保持研究所;中国科学院西北水土保持研究所 |
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| 摘 要： | 黄河会不会变清,什么时候能变清,关键就在于降雨能否渗入土层,渗入多少,何时实现。研究表明,黄河水流的透明度,与黄土层的入渗率成正相关。增加土壤渗透力的措施,主要有改变土壤质地,减小土壤容重,改良土壤结构和提高地面覆被率,特别是种植豆科牧草,效果更好。各种水土保持措施,旨在增加土壤渗透力,最大限度地减少水土流失,使全部地面径流变为涓涓沟泉,则黄河清澈见底。
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Increasing the soil permeabiility to reduce soil loss |
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| Tian Jiying,Huang Yiduan and Yong Shaoping.Increasing the soil permeabiility to reduce soil loss[J].Bulletin of Soil and Water Conservation,1988(3):25-31. |
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| Authors: | Tian Jiying Huang Yiduan and Yong Shaoping |
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| Institution: | Northwest institute of soil and water conservation, Academia Sinica;Northwest institute of soil and water conservation, Academia Sinica;Northwest institute of soil and water conservation, Academia Sinica |
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| Abstract: | Could Yellow River get clear? when? the key to answer the questionis that whether the rainfall can permeat into the soil layer or not, theinfiltrating amount and the time. The study result shows that the watertransparency of Yellow River is positively related to the infiltrating rate.The measures to increase soil permeability are those, i. e., to change soiltexture, to decrease soil bulk density, to improve soil structure andincrease the cover rate of surface soil, especially the leguminous foragegrass planted have better effect.Various kind of soil conservation measuresare aimed at increasing soil permeability, decreasing soil loss mostly.When the surface runoff becomes trickling flows Yellow River will be solimpid that you can see to the bottom. |
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