The effect of land use structure on the distribution of soil nutrients in the hilly area of the Loess Plateau, China

被引：51
|
作者：
Fu, BJ [1 ]
Ma, KM [1 ]
Zhou, HF [1 ]
Chen, LD [1 ]
机构：
[1] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 1999年 / 44卷 / 08期
关键词：
hilly area; Loess Plateau; land use structure; soil nutrient; soil erosion;
D O I：
10.1007/BF02909714
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The irrational land use is one of the main reasons for the soil erosion and nutrient loss in the loess hilly area of China. In this project, 4 types of typical land use structure of sustain ment for about 15 years in the loess hill slope are selected to study the effect of land use structure on the distribution of soil nutrients. From hill bottom to hill top, the patterns of land use types are: grassland-slope farmland-forest, slope farmland-grassland-forest, terrace-grassland-forest and slope farmland-forest-grassland. By measuring the contents of the total N, total P, available N, available P and organic matter of soils, the results show that the land use structure types of slope farmland-grassland-forest and terrace-grassland-forest have a better capacity to maintain the soil nutrients.
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页码：732 / 736
页数：5
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