粉砂壤土

与壤土和粉砂壤土相比，砂壤土毛管埋深可相对浅一些；考虑作物影响时，设计毛管埋深可适当加深。

The drip line buried depth could be shallower for sandy loam compared with the loam and silt loam , and be deeper with crops .

间歇流显著降低粉砂壤土侵蚀量。

Applying interrupted flow to silt loam significantly reduced erosion but had small effect on intake .

用粉砂壤土土柱进行了为期一年的室内模拟试验，对不同地下水埋深及其矿化度作用条件下0～40cm深度土壤的盐分运动规律进行了深入研究。

Summary A one year indoor soil column simulation experiment was conducted to study salt dynamics in soil ( 0 ~ 40 cm layer ) of silt loam with different groundwater conditions .

粉砂壤土对铵离子的吸附特性

Study on Effect of Adsorbing Ammonium Ion by Sandy Loam Soil

阴坡立地类型组有厚层、中层粉砂壤土类型和厚层、中层壤质土类型以及厚层粘壤土类型；

Group of site type on shaded slope included 5 site types : thick , moderate silt loam and thick , moderate loam and thick clay loam .

在连续流条件下，湿润速度由低到高，粘土的侵蚀量加大320%，而粉砂壤土只增加30%。

In the sandy clay erosion increased by 320 % when wetting rates changed from low to high rates while increased only by 30 % for the silt loam .

攀枝花地区昔格达土系粉砂壤土和粉砂土，土壤中原生矿物主要为石英和长石，次生矿物主要为蒙脱石、伊利石和高岭石。

The Xigeda soil is made up of silty loam and silt soil in Panzhihua region , Minerals of which are mainly quartz and plagioclase with clay minerals , montmorillonite , illite and kaolinite .

半阴、半阳坡立地类型组有厚层、中层粉砂壤土类型，厚层、中层壤质土类型，中层砂质土类型和薄层土立地类型；

Group of site type on half-shaded and half-sunny slope included 6 site types : thick , mo - derate silt loam and thick , moderate loam and moderate sandy loam soil and thin soil .

砂土的最大滞后变幅可达20%（体积含水率，下同），粉砂壤土为11.1%，而亚粘土则仅有3%左右。

The maximum soil water content due to hystersis was about 20 % ( vol. / vol. ) in medium and find sandy soils , 11.1 % in silty soil , but only 3 % in , silty clayey Joam .

由试验分析得出了粉砂壤土地区防治盐碱化，改良后利用阶段的水盐控制标准，以及具体的适宜条件。

The con - trol standard and suitable condition of water and salt in the reclamation and utilization stage for prevention of salinization of soil in the fine sandy loam soil region have been reached in this paper based on the experiments and analysis .

在粉砂粘壤土上，降水对休闲地和旱地土壤NO-3-N累积的影响主要在0～2m的深度范围；

In silty clay loam , precipitation mainly influenced soil nitrate nitrogen concentration in a depth of 0 ~ 200cm in fallow land and dryland .

翻盖埋藏沼泽土对粉质砂壤土水分运行的影响

Effect of the " dark-earth " mulch on the water movement in silt sandy loam

大豆生长理想的土壤质地条件为粉砂粘壤土和粘壤土，土壤中的粘粒含量为15%-25%、粉砂粒含量为25%~45%有利于大豆的高产；

Soil mechanical composition analysis indicates that favorable soil condition for cultivating soybean is silt clay soil and clay loam classification ; amount of clay particles is between 15 % - 25 % , and that of silt sand particles is between 25 % - 45 % .

研究表明：（1）不同质地土壤光谱曲线变化趋势一致，但反射率大小依次为：粘土反射率粉粘壤土反射率砂壤土反射率。

Spectral curves of different texture soils had the same trend , but the order of the reflectivity was : Clay Silty clay loam Sandy loam . ( 2 ) .

该隧洞洞身围岩主要为第四系饱水土，由可塑～硬塑状的重粉质壤土、粉质粘土和软塑状的粉质壤土、砂壤土组成，整体土层极不均一，围岩性状差异大。

The tunnel body surrounding rock is the fourth unsaturated soil , constructed by plastic to hard plastic like heavy silt loam , silty clay and soft plastic-like silty loam , sandy loam , the overall soil very uniform , the rock traits very different .