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首页> 外文期刊>African Journal of Biotechnology >Changes in soil properties with vegetation types in highland grassland of the Loess Plateau, China
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Changes in soil properties with vegetation types in highland grassland of the Loess Plateau, China

机译：黄土高原草场土壤性质随植被类型的变化

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The response of soil properties to vegetation types is still not well understood and the relationship between vegetation types and soil properties has not been quantified in highland grasslands. A field experiment was conducted in highland grassland of the Loess Plateau in China to study the distribution of soil properties under different vegetation. 22 plant communities totaling 17 species that belong to 8 families were selected and root zone soil samples were collected to measure soil properties. The ability of vegetation to influence soil properties was vegetation type and soil property dependent. Generally, cation exchange capacity, soil organic carbon, labile organic carbon, total nitrogen, alkaline phosphatase, and invertase showed similar distribution trends with vegetation types and were higher in soils under?Lilaceae,Leguminosae,?Gramineae,?Compositae,?Solanaceae?and?Chenopodiaceae?than those under?Labiatae?and?Rosaceae. Also, total phosphorus, inorganic, and available phosphorus were higher in soils under?Lilaceae,?Leguminosae,?Solanaceae?andChenopodiaceae?than under?Gramineae,?Labiatae?and?Rosaceae. Catalase activity was not significantly influenced by vegetation type. Statistical analysis suggested that soil organic carbon has significant direct and indirect influences on soil properties and that the combination of soil organic carbon, total phosphorus, and alkaline phosphatase could be used to represent physico-chemical, nutritional and biological properties under different vegetation. Our results highlighted the role of soil organic carbon in the relationship between vegetation and soil properties and indicated the potential of?Leguminosae?and?Lilaceae?to improve soil properties and of?Labiatae?andRosaceae?to degrade soil properties in highland grassland of the Loess Plateau.
机译：土壤特性对植被类型的响应仍未得到很好的理解，在高地草原中，植被类型与土壤特性之间的关系尚未量化。在中国黄土高原的草原上进行了田间试验，研究了不同植被下土壤性质的分布。选择了属于8个科的22种植物群落，共17种，并收集了根区土壤样品以测量土壤特性。植被影响土壤特性的能力取决于植被类型和土壤特性。通常，阳离子交换能力，土壤有机碳，不稳定有机碳，总氮，碱性磷酸酶和转化酶的分布趋势与植被类型相似，而在菌科，豆科，禾本科，菊科，茄科和茄科的土壤中则较高。 “藜科”比“唇形科”和“蔷薇科”下的藜科。而且，在菌科，豆科，茄科和藜科中的土壤中的总磷，无机磷和有效磷比在禾本科，唇形科和蔷薇科的土壤中更高。过氧化氢酶活性不受植被类型的显着影响。统计分析表明，土壤有机碳对土壤特性具有直接和间接的影响，土壤有机碳，总磷和碱性磷酸酶的组合可用于代表不同植被下的理化，营养和生物特性。我们的研究结果突出了土壤有机碳在植被与土壤特性之间的关系中的作用，并表明了“豆科”和“唇形科”改善黄土高原草地的土壤特性以及“唇形科”和“蔷薇科”降解土壤特性的潜力。高原。

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