The results showed that straw application increased crop yield, soil organic carbon accumulation, soil total nitrogen and phosphorus content as well as phosphorus activation.
结果表明,秸秆还田提高了作物产量,增加了土壤有机碳积累和土壤氮磷含量,且能活化土壤磷素。
Results showed:The soil organic carbon, nitrogen and microbial biomass C? N of different kinds of wetlands were obviously differences, and decreased with increasing depth at profiles.
结果表明:不同类型湿地土壤碳、氮和微生物C、N有明显差异,而且均随深度的增加而降低。
The soil organic carbon and total nitrogen contents obviously decreased and shown an upper-accumulated pattern.
土壤有机质和全氮含量也自上而下显著的下降,表现出明显的表层聚集现象。
The biggest influence to soil organic carbon density was organic carbon content, the next was total nitrogen, and content of soil available phosphorus was also influenced soil organic carbon density.
对毛竹土壤有机碳密度影响最大的为有机碳含量,对土壤有机碳密度的影响次之的为土壤全氮量,土壤有效磷量对其影响程度也较大。
Soil organic carbon increased with stand age, while nitrogen decreased and then increased.
土壤有机碳含量随林龄的增长而逐渐增高,有机氮则先减后增。
The correlation between soil microbes and soil organic carbon was negative, and the correlation between number of fungi and soil organic nitrogen was positive.
相关分析表明,土壤微生物总数与土壤有机碳呈负相关,真菌数量与土壤有机氮呈正相关。
The correlation between soil microbes and soil organic carbon was negative, and the correlation between number of fungi and soil organic nitrogen was positive.
相关分析表明,土壤微生物总数与土壤有机碳呈负相关,真菌数量与土壤有机氮呈正相关。
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