团粒结构

土壤团粒结构含量偏低。

Meanwhile , the content of soil water-stable granular structure tended to be lower .

土壤团粒结构管理

The management to soil granular structure

通过SEM图像分析表明，微观结构为絮凝结构的土粒间力（其宏观表现为结构屈服应力）小于外力时就发生破坏，而一旦进入团粒结构，土体的变形发展缓慢。

The analysis of Scanning Electronic Microscope shows that the failure happens when the inner particles force of flocculent structure is less than outside force , but the development of soil deformation with agglomerate structure is slowly .

免耕对土壤结构破坏少，使0～20cm土层水稳性团粒结构增多。

The content of water stable aggregate in 0 ~ 20cm layer was increased in no tillage in that the soil structure was less destroyed .

结果表明：随着植被演替，土壤中大粒级水稳性团聚体含量逐步增加，5mm粒级团聚体在土壤团粒结构中占主导地位，含量占50%~80%。

The results show that : In terms of vegetation succession stages , the contents of big gravel soil water-stable aggregates increased , the 5 mm aggregate is priority in different layers , about 50 % ~ 80 % .

由多个细小晶粒构成的团粒结构的GSD金刚石磨料新品种，具有表面粗糙、凸凹不平的形貌特征，且在结合剂中把持牢固，避免了单晶磨料过早脱落的现象，使得磨具寿命成倍提高；

The new kind of CSD diamond abrasive with the crumb structure which consists of many fine crystals has the character of coarsen and scraggy surfaces , it can avoid that single cystals early fall off because of the fast - ness in the bonder ;

得到的新产品不是针片状单晶颗粒，而是团粒结构的颗粒，颗粒形状为等积形，表面粗糙，凹凸不平。

This new product is crumb structure instead of platy monocrystal .

土壤碱化和化学改良对土壤团粒结构的影响

Influence of Sodication and Chemical Improvement On Soil Aggregate

蚯蚓类中微生物群落活性对土壤团粒结构可起重要作用。

Microfloral activity in worm may have an important effect on soil crumb structure .

不同母质发育紫色土团粒结构的分形特征研究

Study on Fraction Characters of Aggregates of Dryland Purple Soil Developed from Different Parent Material

可改善土壤物理特征，改良土壤团粒结构，减少土壤密实性。

Can Improve the soil physical characteristics , soil aggregate structure , reduce soil compactness .

黄土高原植被破坏前后土壤团粒结构分形特征

The fractal features of soil granule structure before and after vegetation destruction on Loess Plateau

营造良好的土壤团粒结构；

Forming good soil granulation structure .

利用方式对岩溶山地土壤团粒结构的影响研究

A study of features of water-stable soil aggregate structure under different land use in Karst Mountains

造成冰草根系生长发育对土壤团聚体稳定性影响不明显的主要原因是黄绵土团粒结构较差和冰草生长期较短。

The reason was less aggregate structure of loess soil and short growth duration of ryegrass .

杉木马褂木不同混交比例土壤团粒结构的分形特征研究

The Study on the Fractal Feature of Soil Aggregate Structure in Different Mixed Proportion Stand Cunninghamia lanceolata × Liriodendron chinense

红壤中团粒结构依次提高78.5%、79.9%和69.3%，改良土壤效果较好。

The granular structure is enhanced by 78 . 5 % , 79 . 9 % and 69 . 3 % respectively .

土壤团聚体是土壤肥力的基础，良好的团粒结构对农业的可持续发展有着十分重要的意义。

Soil aggregates are normally considered as the basis of soil fertility . Good soil structure is important for sustainable development of agriculture .

在夏季作物栽培时期仍可提高土壤的含水率，抑制土壤有机质下降，提高土壤生物活性，改善土壤团粒结构，起到土壤保护作用。

While during summer cultivation , it will reinforce soil water reservation , suppress soil organic matter decreasing and enhance soil biological activity .

土壤团粒结构的分形维数与水稳性团聚体含量及水稳性大团聚体含量之间存在显著回归关系；

There were remarkable regression relationships between the fractal dimension of soil aggregates and the contents of water stable aggregates and water stable big aggregates .

秸秆覆盖处理土壤具有良好的结构，不仅降低了土壤的容重，增加了土壤孔隙度，也促进土壤团粒结构的形成。

Soil treated with straw mulching had good structure , which not only decreased soil bulk density , increased soil porosity , and also promoted the formation of soil aggregation .

采用在实验室培养和用淋洗管模拟田间淋洗的方法研究聚丙烯酰胺对沙土水稳性团粒结构改良作用，对氮、磷、钾养分保肥的作用以及其合理施用量。

This paper study on the effects of PAM on improving water stable aggregate and reducing nutrients loss from sandy soil , methods of Laboratory incubation and leaching were adopted .

生物有机肥有助于增强土壤团粒结构的形成，表现出比传统堆肥有更好的培肥改土的效果。

Bio-organic fertilizer would increase soil aggregate structure to maintain the soil pH environment to close to neutral and it showed better effects on soil fertility than traditional compost . 6 .

对植物施加电场后，从土壤的有机质含量、速效性养分含量、团粒结构、密度及持水量、酶活性等方面的变化对土壤进行了深入的研究。

The changes in organic matter content , effective nutrient content , granular structure , density , water-holding capacity and the activity of enzymes were studied after the plants were treated with electric field .

南方红壤施用0.2%的保水剂可以显著改善土壤有效水分的保持与供应，促进1~0.5mm的土壤团粒结构形成。

Applying 0.2 % water - retaining agents into red soil could significantly increase the water retaining and supplying ability of soil , and increase soil aggregates of grain diameter of 1 ~ 0.5 mm .

严重的水土流失导致土壤肥力低下，土壤质地变粗，团粒结构遭到坡坏，加剧了土壤缺水，改变了土壤成立过程。

The serious soil and water loss lead that soil fertility reduce , soil texture become coarse , soil lack water seriously , soil particle structure has been destroyed , soil-forming process has been occured change .

同时土壤中（K++Na+）／（Ca2++Mg2+）比值下降，有助于土壤胶体的凝聚，有利于土壤团粒结构的形成。

In the same time ,( K + + Na + ) / ( Ca2 + + Mg2 + ) of soil decreased , and it is helpful to accumulate soil particles together to form soil aggregate structure .

封育林区土壤较非封育区的团粒结构多，土壤单粒排列疏松，孔隙度大，通气性能好，土壤的容重低。

Aggregate structure of the soil in closed area was more than enclosed area , and arranged single grain of the soil was looser , porosity was larger , ventilation performance was better , soil bulk density was lower .

土壤总孔度、团粒结构、自然含水量、土壤贮水量分别增加4.15%、8.32%、66.85gkg-1、177.15m3hm-2；

Soil hole degree , granular structure , natural water content and water content of soil increased by 4.15 % , 8.32 % , 66.85 g kg ~ ( - 1 ) and 177.15m ~ 3 ha ~ ( - 1 ) respectively ;

0~15cm土层青海云杉混交林>0.25mm的团粒结构含量为45.21%，草坡、耕地分别为32.18%、20.81%；

For Picea crassifolia mixed plantation , the content of aggregate structure which is lager than 0.25 mm is 45.21 % in the soil layer from 0 to 15cm , for grass slope and cultivated land it is respectively 32.18 % and 20.81 % ;