| Studies on soil nutrients under different vegetation types in the Ziwuling Area |
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| DOI：10.7606/j.issn.1000-7601.2006.02.15 |
| Key Words: Ziwuling Area vegetation types soil nutrient |
| Author Name | Affiliation | | ZHANG Hong | College of Resource ＆ Environmental Science,Northwest A＆F University,Shannxi,Yangling,712100 | | LV Jia-long | College of Resource ＆ Environmental Science,Northwest A＆F University,Shannxi,Yangling,712100；State Key Laboratory of Soil Erosion and Dryland Farming,Institute of Soil Erosion and Water Conservation,Chinese Academy of Sciences,Mizhi,Shaanxi,718100 | | ZHAO Shiwei | ．Institwte of soil and water conservation,shannxi,Yanglig,712100 | | ZHOU Qun | College of Resource ＆ Environmental Science,Northwest A＆F University,Shannxi,Yangling,712100 | | CHEN Xiao-yan | College of Resource ＆ Environmental Science,Northwest A＆F University,Shannxi,Yangling,712100 |
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| Abstract: |
| This study has analyzed the soil nutrients under different vegetation types in the Ziwuling Area.The results showed that the vegetation types made a remarkable effect on the soil nutrient content.The changing trend was that the content of total N,K and available N,P,K was basically in the order of trees>brush>grassland>farmland>abandoned field,which accorded with the vegetation succession.In addition,the total P content among the farmland,abandoned field,grass,bush and forest was rather steady.Therefore,in the hill of the Loess Plateau,converting cropland to forestland and grassland is good for improving the conditions of soil nutrient. |
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