总孔隙度

⑵生物有机无机复合肥可降低土壤pH值和土壤容重，提高土壤总孔隙度。

⑵ The last type of fertilizer could decreased soil pH value and soil B.D , increased soil total porosity .

结果表明：多功能复合材料可以降低土壤的pH值和土壤容重，提高土壤总孔隙度，提高土壤阳离子交换容量。

The results showed that multifunctional composite can decreased soil pH and bulk density , increased the contents of total porosity , and improved soil cation exchange capacity .

A·B值和比水容量与质地、容重及总孔隙度有密切关系，用A·B值和比水容量的大小可作为土壤抗旱性的综合指标。

A · B or specific water capacity , being interrelated closely with soil texture , bulk density or porosity , could be taken as an integrated index of soil aridity .

在土壤的各种理化性质中，容重和总孔隙度是影响饱和导水率的主导因素，其它如毛管孔度，pH为次要因素。

The bulk density and total porosity were the main impact factors to the saturate hydraulic conductivity , whereas the other factors such as the capillary porosity and pH took the second place .

土壤内各种微生物增加0.66～1.2倍，土壤总孔隙度提高4.51%，速效N、P2O5、K2O含量分别增加5.88%、24.69%、10.31%。

The readily available N , P 2O 5 , K 20 in soil could increase by 5.88 % , 24.69 % and 10.31 % , respectively .

土壤有机质、全N、有效N、有效K、pH值与细根现存量相关显著（P<0.05），细根对物理性状的影响主要体现在毛管孔隙度和总孔隙度上；

Soil organic matter , total nitrogen , available nitrogen , available potassium and pH had significant correlations with fine-root biomass ( P < 0.05 ) . The effects of fine-roots on soil physical properties mainly reflected on soil capillary porosity and total porosity .

结果表明，施入8%泥炭明显有利于改良风沙土理化性质，表现为土壤容重、总孔隙度、pH值、全N、碱解N、速效P、速效K明显改善；

8 % peat treatments greatly improved the aeolian sandy soil physical and chemical characteristics . Soil bulk density , total porosity degree , total N , alkali N , available P and K increased , and soil pH value decreased to be little acid or neutralized .

免耕土壤容重和硬度增大，总孔隙度、非毛管孔隙度和有效P、K降低，放线菌和真菌数量减少，而土壤细菌数量增加，酶活性增强。

Soil analysis showed that in no-tillage fields , soil bulk density and hardness were increased , soil porosity and available P and K were decreased , the amount of actinomyces and fungi was reduced , while that of soil bacteria was increased , and the enzyme activity was promoted .

施用PAM后对土壤容重及土壤总孔隙度具有调节作用，土壤饱和含水量和田间持水量均有所增大，并显示出较强的抗蒸保墒效果。

When using PAM , the soil saturation content and soil field water-content can increase and the treatment can prevent the evaporation of soil water , so the water content of the treatment is higher than control .

再生水灌溉和清水+再生水交替灌溉提高了土壤的阳离子交换量（CEC）和总孔隙度，有利于土壤物理性状的改善。

Irrigation by reclaimed water and fresh + reclaimed water increases Na ~ + , CEC , and total porosity of the turf soil in comparison to fresh water , and improves soil quality .

因此，通过对大量实验室测量数据分析，建立了原油粘度与T2截止值、T2极大值、视含氢指数、总孔隙度等关系；

So many relationships have been made by analyzing large amount of data obtained from NMR laboratory measurements , such as the viscosity to T_2 cutoff , T_2 maximum , the apparent hydrogen index ( HI_a ), total porosity , etc.

尽管基质的物理和理化特性例如总孔隙度和电导率（EC）都是合适的，但由堆肥提供的养分（氮和钾）释放缓慢，对金盏花发育的影响尤为明显。

The nutrients ( N and K ) provided by the composts , which acted as slow-release fertilizers , influenced especially the development of calendula , although the physical and physico-chemical properties such as total pore space and electrical conductivity ( EC ) were also relevant .

毛竹根系对土壤物理性质影响较大，0～60cm土层的总孔隙度为71.7%，林地稳渗率达8.28mm/min。

The root system of P. pubescens has a greater effect on soil physical properties . As for the soil layer of o ~ 60cm , the total porosity is 71.7 % , final infiltration ratio 8.28mm/min .

复合菌液浸泡玉米秸基质后，其总孔隙度、通气孔隙度显著低于草炭基质（CK3），而容重、毛管孔隙度、水气比显著高于草炭基质。

When corn stalks substrates were soaked by complex broth , their total porosity and aeration porosity were significantly lower than the peat matrix ( CK3 ), and bulk density , capillary porosity and water gas ratio were significantly higher than that of peat substrate .

采样深度在0.5～9.1m范围内，每个样品进行10项测定：矿物组成、粒度分布、密度、总孔隙度、有效孔隙度、给水度、持水度、渗透系数、阳离子交换容量、含水量。

Sampling depth was from 0.5 to 9.1 m. For each sample ten items were determined : mineral composition , particle size distribution , density , porosity , effective porosity , specific retention and specific yield , permeability coefficient , positive ion exchange capacity and water content .

土壤毛管持水量和总孔隙度上升；

The capillary moisture and total - porosity increased ;

松土可改善土壤的物理性状，土壤含水率和土壤总孔隙度增加。

Soil loosing can improve the physical characters and raise water content and porosity of range soil .

天然岩石中，非连通孔隙占总孔隙度的比例很小。

In natural rock , the unconnected pore takes only a little part in the total pore .

改良剂能降低堆积密度，增加总孔隙度，增加水和空气的含量。

An amendment should decrease bulk density , increase total porosity , and increase water and air content .

有机质含量与土壤容重呈负相关关系，和总孔隙度之间则表现出正相关关系。

Organic matter content showed a negative correlation with soil bulk density and a positive correlation with total porosity .

不同土地利用方式对黄土坡地土壤水稳性团聚体和总孔隙度的影响

Effect of Different Land Use on Soil Water - stable Aggregate and Soil Total Porosity of Slope Land in Loess Plateau

总孔隙度与含油级别大体呈正相关，总孔隙度随着含油级别的增加而增加。

The total porosity is generally positive correlated with oil bearing grade , which increases as the oil bearing grade increased .

渗灌处理与膜下软管滴灌相比，可以降低土壤容重、增加土壤总孔隙度，改善蔬菜根际环境；

Compared with drip irrigation under mulch film , the infiltration irrigation treatment can reduce the soil bulk density and increase soil porosity .

降雨后土壤的总孔隙度下降，通气孔隙下降较明显，同时速效孔隙和迟效孔隙增多。

The total porosity and the aerate porosity decrease after the rain while the faster available porosity and the slow available porosity increase .

用声波时差计算总孔隙度中t与计算出的中子孔隙度中。对比，其差值就是CO：的影响所致。

The difference of the porosity-calculated from sonic log and from neutron log is related to the effect of CO2 in gas-bearing beds .

不同林分类型之间，土壤总孔隙度与非毛管孔隙度差异较大，而毛管孔隙度的差别较小。

The soil total porosity and the soil noncapillary porosity were different greatly between forest types , but the soil capillary porosity had little differ .

行间生草能够改善葡萄园土壤物理性状，使土壤容重平均降低5.68%，总孔隙度提高6.15%，但各处理间差异不显著；

After planting grasses , soil physical characteristics were improved , soil bulk density decreased by 5.68 % and soil porosity increased by 6.15 % .

裂缝孔隙度占总孔隙度的1.5%～3.5%，但裂缝渗透率却占总渗透率的99.4%左右。

The porosity of facture make up 1.5 % ~ 3.5 % of total porosities , and the permeability make up 99.4 % or so .

土壤含水率除了与植被类型有关外，还与土壤物理特性有较密切的关系；影响土壤含水率的土壤物理因子主要为土壤容重，其次为非毛管孔隙度与总孔隙度之比和非毛管孔隙度。

The main physical factor of soil affecting soil moisture content was unit weight of soil , and ratio noncapillary porosity to total porosity were secondary .

林地土壤因子调查的结果是混交林内土壤的通气性、透水性及总孔隙度均好于纯林。

Soil productivity ; Investigation of the soil factors showed that the aeration and water perviousness of mixed forest were better than that of pure forest .