...丛沙堆对应其发育阶段,大沙堆组对应于稳定阶段,通过测定沙堆间、沙堆内(项部、中部)及沙堆下的土壤有机质(Soil organic matters,SOM)、全磷(Total phosphorus,TP)和土壤质量含水量(Mass water conten...
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...堆对应其发育阶段,大沙堆组对应于稳定阶段,通过测定沙堆间、沙堆内(项部、中部)及沙堆下的土壤有机质(Soil organic matters,SOM)、全磷(Total phosphorus,TP)和土壤质量含水量(Mass water conten...
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及沙堆下的土壤有机质 Soil organic matters ; SOM
沟道及沙棘柔性坝的土壤有机质含量在纵向大致呈现由上游到下游缓慢递增的过程。
Soil organic matter content increases gradually from upstream to downstream in the gully with seabuckthorn flexible dams and in the dam body.
翻犁后一年的土壤有机质含量会下降，连续宿根栽培则可以提高或维持有机质含量。
Phloughing resulted in decrease in soil organic matter content in coming year, while successive ratoon cultivation could increase or maintain soil organic matter content.
土壤有机质中含有少量的磷酸盐，且其比例始终不变。
The organic matter in soil contains a small but fairly uniform proportion of phosphate.
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