| 1. | Soil organic matter is the product of microbial decomposition of plant and animal residues .
土壤有机质是微生物分解植物和动物残体的产物。 |
| 2. | A major portion of the soil organic matter is derived from the added and residual vegetative material .
加进去的和残留下来的植物物质则是土壤有机质的主要来源。 |
| 3. | Method for determination of soil organic matter
土壤有机质测定法 |
| 4. | Active soil organic matter and its relationship with soil quality
土壤活性有机质及其与土壤质量的关系 |
| 5. | An improvement on the heating condition of soil organic matter determination
土壤有机质测定方法加热条件的改进 |
| 6. | Generally , its main approach is affecting contents of soil organic matters and nutrient
土壤侵蚀主要通过影响土壤养分含量来影响土壤生产力。 |
| 7. | Soil organic matter as related to p releasing properties in different types of soil in shandong province
山东主要土类有机质及其与供磷特性的关系 |
| 8. | Effect of grazing intensity on soil organic matter and organic carbon in alpine - cold artificial grassland
放牧强度对高寒人工草地土壤有机质和有机碳的影响 |
| 9. | 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。 |
| 10. | Paleo - environmental implications of stable carbon isotope in soil organic matter and its influencing factors
土壤有机碳稳定同位素的古环境指示意义及影响因素 |
