单词：organic content
organic content的用法和样例：
例句
- The organic matter content of soil is relative with the buffer action of acid and alkali of soil.此外，土壤有机质含量的高低与其对酸碱的缓冲能力成相关。
- Soil organic matter contents can also be raised through continuously plowing under stalks into land.同时，近年来秸秆还田的增加有助于提高土壤有机质含量。
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