soil aggregate

Study on the dry shrinking property of stabilized red sand soil soft aggregate pavement base

稳定红砂土软质集料基层的干缩特性研究

Quantitative relationship between aggregate characteristics of red soil and slope erosion Effect of Heavy Machinery Operation on Soil Aggregates Character in Phaeozem Region

红壤团聚体特征与坡面侵蚀定量关系机械压实对黑土区耕作土壤团聚体特征的影响

The mechanical stability of soil aggregate had the significant differences on the sensitivity of different broken mechanism, which is more sensitive to slaking caused by fast wetting.

团聚体力稳性对不同破碎机机制的敏感性存在显著差异，其中对快速湿润引起的消散作用较为敏感。

But multiple dry-wet cycle will destroy soil aggregate structure, be exposed organic matter is further microbial decomposition mineralization, thus increasing inert organic carbon biological availability.

但多重干湿交替循环会破坏土壤团聚体的结构，被暴露的有机质进一步被微生物分解矿化，从而增加惰性有机碳的生物可利用性。

Effects of Wetting Rate and Aggregate Size on Erosion Processes at Hillslope in Three Red Soils; Coupled model of moisture and heat reaction during soil freezing and thawing under environmental climate condition

湿润速率和表土团聚体粒径对红壤坡面侵蚀过程的影响环境气候条件下土壤冻融过程中湿热耦合作用模型研究

By the control of the cement, sand-gravel aggregate, reinforcing steel, loamy soil and the means of experiment in the use of the repairing project of the culvert passing Zhang River spoiled by devastating flood, it has been completed auspiciously.

通过对穿漳涵洞水毁修复工程所用水泥、砂砾石骨料、钢筋、壤土等材料以及试验手段的控制，保证了该项工程的顺利完成。

The result showed that the sequence of the improvement of different land use to soil water-stable aggregate and total porosity is natural grass land forest land shrub land cropland.

结果表明，不同土地利用方式对土壤水稳性团聚体和总孔隙度的改善作用的大小顺序为草地有林地灌木林地耕地。

The soil aggregate display the flat field excelled the slope field, the slope field is slightly better than the level terraced field.

土壤团聚体总体表现为川道地优于坡耕地，坡耕地比水平梯田略好。

Short-term effects of Tillage on soil aggregate size distribution and stability in black soil in Northeast China

耕作对东北黑土团聚体粒级分布及其稳定性的短期影响

Soil Aggregate Formation and Stability as Effected by Root Growth of Ryegrass

冰草根系生长发育对土壤团聚体形成和稳定性的影响

The variation coefficients of soil aggregates gradually increased with aggregate size decreased in upper and lower two layers. Found that Soil aggregate composition increases gradually with the particle size decrease.

上下两土层土壤团聚体变异系数随着粒径的减小而逐渐增大，表明研究区域土壤团聚体组成随着粒径减小变异性逐渐增大。

The earth surface of the region across it is mostly thicker humus soil or leaf falling covering layer, and has good heat reserving property, it is mostly weathering shingle, soil-aggregate mixture, and clay-gravel 0.5m-4.0m under it, and weathering rock.

所经地区的地表多为较厚的腐殖土或落叶覆盖层，其保温性良好，下层0.5&4.0米多为风化沙砾、碎石土和砾石土，，4.0米以下为风化岩石。

Improve soil aggregate structure, reduce compaction, improve soil fertility activation.

改良土壤团粒结构, 减少板结, 提高活化土壤肥力.