Erodible soilfractions are usually dislodged from projections and trapped in depression.
可冲蚀土壤部分经常从凸出物剥蚀并降落于洼地。
2
Incubation and pot experiments were carried out to study the effects of organic manures on soil organic phosphorus fractions and their bio-availability.
通过培养与盆栽试验，研究了有机肥料对土壤有机磷组分及其生物有效性的影响。
3
As an essential indicator of soil quality, soil organic carbon (SOC) and its fractions play an important role in many soil chemical, physical, and biological properties.