| 1. | Humic substances are known to coat membrane filters . 腐殖质是已知能够覆盖滤膜的物质。 |
| 2. | The final process in organic matter decomposition is known as humification . 有机物分解的最后程序称为腐殖质化。 |
| 3. | The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose . 缺少腐殖质和过度淋滤使这种土壤对农业几乎无用。 |
| 4. | Determination of humus fractionation in forest soil 森林土壤腐殖质组成的测定 |
| 5. | The influences of reinforcing cement soil on soil humus 土体腐殖质对水泥土固化的影响 |
| 6. | Characteristics of humus in maturing salt - affected soil 盐渍土熟化过程中腐殖质特性的研究 |
| 7. | Clay - humus complex 黏粒腐殖质复合体 |
| 8. | Dark humus soil 暗色腐殖质土 |
| 9. | Humus composition of black soil and its organo - mineral complexes under different fertility level 不同肥力条件下黑土及其有机无机复合体的腐殖质组成 |
| 10. | Variaton of combined humus in soil organo - mineral complexes in process of gras sland restoration 退化草场恢复时土壤有机矿质复合体中结合态腐殖质变化 |