团聚度的英文
degree of aggregation
例句与用法
- Utilization methods influenced aggregation degree of microaggregate of purple soil , the aggregation degree were in such order : grassland > forestland > garden plot > cropland , aggregation degree of microaggregate in soil developed from jas group was least , and that of j3s group was maximal
紫色土微团聚体团聚度受利用方式影响较大，团聚度次序表现为草地林地园地耕地，沙溪庙组发育土壤微团聚体的团聚度最低，遂宁组最高。 - The research showed that pam could improve soil structure , and greatly increase the stabilization of soil aggregates , so soil crust development would be decreased . fifthly , soil grain that controls rainfall splash erosion was obtained , the influence of soil clay was very great during initial stages of rainfall . with rainfall going on , soil coarse sand and fine sand would control the splash erosion
五、控制土壤溅蚀的主要土壤粒级：在降雨初期土壤的的粘粒对溅蚀速率的影响较大，随着降雨历时的延长，土壤中的细砂和粗砂成为溅蚀速率影响较大的因子；六、对土壤溅蚀影响较大的土壤结构特征因子：降雨5分钟时，土壤的渗透系数对溅蚀速率的影响较大，随着降雨的继续进行，土壤的团聚度一直对土壤溅蚀速率影响较大。 - With increase of artificial forest age , the content of soil organic matter decreased sharply . and soil physical , chemical and biological properties of forest became worsen . from soil physical properties analysis , soil silt , clay , physical clay , aggregate degree and structure coefficient in topsoil increased with increase of artificial forest age and soil sand deceased
在土壤物理性质方面，随着人工云杉林龄的增加，土壤表层粉粒、粘粒、物理性粘粒、团聚度和结构系数降低，砂粒含量增高，土壤饱和持水量、毛管持水量及总孔隙和毛管孔隙在人工云杉演替过程中表现出“ u ”型变化。
