[1]刘秉正,刘世海,郑随定.作物植被的保土作用及作用系数[J].水土保持研究,1999,6(02):33-37,114.
Liu Bingzheng,Liu Shihai,Zheng Suiding.Soil Conservation and Coefficient of Soil Conservation of Crops[J].Research of Soil and Water Conservation,1999,6(02):33-37,114.
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Liu Bingzheng,Liu Shihai,Zheng Suiding.Soil Conservation and Coefficient of Soil Conservation of Crops[J].Research of Soil and Water Conservation,1999,6(02):33-37,114.
作物植被的保土作用及作用系数
《水土保持研究》[ISSN:1005-3409/CN:61-1272/P]
卷:
6
期数:
1999年02期
页码:
33-37,114
栏目:
出版日期:
1900-01-01
- Title:
- Soil Conservation and Coefficient of Soil Conservation of Crops
- 摘要:
- 坡耕地种植作物能形成地表覆盖，具有一定的保土功能，其保土原理是作物密度大，地表微起伏和根系的固土作用。保土作用受覆盖度、地形、降雨等影响；用保土作用系数（C）衡量，仅与覆盖度有关。在黄土高原南部，C变化在0.11～0.86间，因而，提高坡耕地作物植被的保土功能，还需加其它管理措施。
- Abstract:
- Crops in cultivated land can cover soil surface so as to conserve soil because of high crops’ density, coarse in ground and crops’ roots.Soil conservation were affected by crop cover microtopography and rainfall. The coefficient of soil conservation was only related to crop cover. Ranges of C value was from 0.11 to 0.86. Therefore, increase of soil conservation by planting crops in the gentle slope land also required other management measrues.
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备注/Memo
收稿日期:1999-4-15
更新日期/Last Update:
1900-01-01