土壤有机质 SOM ; Soil Organic Matter SOM
的土壤有机质 SOM
是土壤有机质 SOM
及沙堆下的土壤有机质 SOM
土壤有机质动态 SOM dynamics ; som dynamics
土壤有机质管理 Managing SOM
土壤有机质分解呼吸 som-derived respiration ; SOM-derived respiration
轮作与土壤有机质 Crop Rotation and SOM
土壤有机质和土壤结构 SOM and Soil Structure
对鼎湖山亚热带森林土壤有机质(SOM)放射性碳进行了核爆效应校正。
Radiocarbon of soil organic matter (SOM) in Dinghushan subtropic forest has been adjusted by the "bomb-effect".
微生物群落是影响酶活性的主要生物因素，土壤有机质、温度和湿度等是影响酶活性的重要非生物因素；
Microorganism community is a crucial biotic factor, SOM(soil organic material), temperature and moisture are all important abiotic factors that could affect enzyme activity;
然而当前的生产管理方式尽管有利于土壤有机质积累，但是也带来了一系列的生态环境问题。
Although the SOM content was improved, the current agricultural practices brought on a series of ecological problems as well.
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