饱和持水量

结果表明：阔叶红松林林隙表层土壤含水量、饱和持水量、毛管持水量和孔隙度均大于下层，但土壤密度相反；

The results showed : Soil moisture , saturation moisture capacity , capillary moisture capacity and porosity in top layer were more than that in lower layer , but bulk density was opposite ;

上壤含水量为饱和持水量的60%时对旱作水稻生物量和产量影响较大，而80%和100%时几乎没有影响。

Although the biomass and yield of rice had been hardly affected by soil moisture content , when it was 80 % or 100 % of saturated water content ( SWC ) , but markedly by soil moisture content 60 % of SWC .

三个林型土壤田间持水量、毛管持水量和饱和持水量均随土壤深度增加而变小；垂直方向向上BOD5随水深增加递减。

Soil moisture contents decreased with the increase of soil depth . and decreased successively with the increase of water depth in vertical direction .

在50%土壤饱和持水量下，分根区施保水剂显著降低了叶片气孔导度，叶片CO2吸收量和H2O蒸腾量也同时降低，但H2O蒸腾量下降幅度更大；

And under 50 % soil saturated capacity , leaf stomatal conductance decreased evidently , and the volume of CO_2 absorption and H_2O transpiration both decreased as well but the H_2O transpiration reduced with more extent .

土壤饱和持水量、毛管持水量、非毛管孔隙度、毛管孔隙度、有机质、铵态氮、硝态氮、全氮均与林木平均树高、平均胸径呈正相关。

Capillary porosity and N have little relevance with the average tree height and the average breast high diameter of trees .

结果表明，在75%土壤饱和持水量下，各指标在3种处理之间没有明显差别；

The results indicated that there was no evident difference in leaf stomatal conductance , CO_2 absorption and H_2O transpiration under 75 % soil saturated capacity .

火烧强度对上壤分散系数、孔隙度、饱和持水量、有效镁、细根系生物量的影响有显著差异。

The effects of forest fires on soil separate coefficients , porosity , saturated water-retaining capacity , available Mg , fine root significantly varied between the fire intensity .

连年火烧使土壤含水率、孔隙度、分散系数、毛管持水量和田间持水量升高，而使土壤饱和持水量、容重下降。

After yearly burning , soil moisture content , porosity , separate coefficient , capillary and field moisture capacity increased , however , soil saturated water retaining capacity and unit weight decreased .

自然含水量下降31.03%、39.34%和46.28%，饱和持水量下降16.14%、28.80%和49.68%；

The natural water contents dropped drown separately by 31.03 % , 39.34 % and 46.28 % and the saturation moisture capacities reduced separately by 16.14 % , 28.80 % and 49.68 % ;