The results showed that soil organic matter under alkaline soil condition may affect remarkably the content of available nutrients.
结果表明土壤有机质可显著影响有效态养分含量。
Taking a typical karst mountain area, Nongla in Guangxi as an example, the correlation between soil organic matter and the content of available nutrients in selected soils was discussed in this paper.
以广西弄拉峰丛山区为例探讨岩溶区偏碱性条件下土壤有机质与有效态养分含量之间的相关关系。
The organic matter content as well as the total and available contents of nutrients increased at the first 2~5 years, and then declined rapidly, especially for those in topsoils.
土壤有机质含量、全量养分含量和速效养分含量均在采伐初期2～5年增加，随后又迅速减少，尤其是表层土壤变化更为明显；
The content of soil nutrients, especially available nitrogen, phosphorus and potassium is one of the important bases to instruct scientific fertilization.
土壤碱解氮、速效磷和速效钾等养分的含量是指导科学施肥的重要依据之一。
The content of soil nutrients, especially available nitrogen, phosphorus and potassium is one of the important bases to instruct scientific fertilization.
土壤碱解氮、速效磷和速效钾等养分的含量是指导科学施肥的重要依据之一。
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