表土

na.surface soil; 【农】topsoil; capping

网络释义：overburden; regopth; accretion

网络释义

na.1.【农】topsoil; surface soil; capping; capping mass; atteration; uncallow; kelly; epipedon

1.topsoil topppng mass 倾倒体，崩塌物 topsoil 表土 torrent 急流，洪流；山洪；山溪 ...

2.surface soil 表生矿床；地面矿床 superficial deposit 表土 surface soil 表土蠕动；土滑 soil creep ...

3.overburden 06 斜坡开采法 incpned stoping 07 表土 overburden 08 多排孔爆破 multiple row shot；area blasting ...

4.regopth 表生作用 epigenesis 表土 regopth 滨湖亚相 lake-shore ...

5.accretion accoustic signal 音响信号 accretion 表土 accumulation 蓄积 ...

6.atteration ... sand and gravel concrete 详细 atteration 2. 冲积层；表土 Turkish mortar 土耳其砂浆 ...

7.Ahorizon ... ahermatype 不造礁珊瑚 Ahorizon 表土 Ahorizon 上层土壤 ...

1.This favors root growth of crops, enhances standing power, and reduces surface runoffs so that the surface ped avoid being destroyed.这有利于作物根系生长，增强抗倒伏能力，并可以减少地表径流使表土土壤结构体免遭破坏。

2.The surface soil salt content increases gradually from south to north in the horizontal direction.结果表明，在水平方向上，由南至北，表土含盐量逐渐增大。

3.The fragile land quickly lost its topsoil and became nothing but sand and dust.那单薄的土地很快就失去了表土，成为沙粒和尘埃。

4.Angkor may have suffered problems common to modern times, including deforestation, overpopulation, topsoil degradation and erosion.吴哥可能已经遭受过和现代相同的问题，包括滥伐森林，人口过剩，表土退化和侵蚀。

5.In loessal regions and alluvial valley fills of the western United States, both surface soil and subsoil are commonly friable.在美国西部黄土区和冲积河谷里，表土和底土一般是容易破碎的。

6.These floods have been very useful because they irrigate the Nile Delta and deposit a rich layer of topsoil used for growing crops.这些洪水一直非常有用，因为它们灌溉着尼罗河三角洲，沉积下厚厚的一层表土，可以用来种庄稼。

7.These are conditions that make subsurface drip irrigation a suitable alternative to the surface system.这些条件，使地下滴灌一个合适的替代品对表面加水，蒸发表土和减少水的流失是可以忽略不计。

8.Some gardeners prepare an area by removing the existing top soil and grass. This can be done with a shovel, hoe or sod-cutter machine.一些园艺爱好者在准备种植场地时会使用铲子，锄头或割草器来移除已有的表土和青草。

9.When digging a hole for planting, one should put topsoil and subsoil in two different sides of the hole.挖栽植坑时，应将表土和底土分别放在坑的两侧。

10.It would appear that the inputs are insufficient to offset the mobipzation and leaching of calcium from the topsoil.钙的转入量看来不足以补偿从表土中活化和淋失的钙。