有些土壤的碱性，实际上对某些植物的生长是过高的。
Some soils are actually too alkaline for certain plant life.
科学家研究土壤的构成。
随着土壤的流失，它会下降，形成一个尘土山，一个土丘。
As the soil is shed, it drops down and forms a little hill of dirt, a mound.
当深根被从地上拔起时，你会得到土壤的重新分配和混合。
You get a redistribution and mixing of soil as deep roots are ripped up from the ground.
换句话说，这些空地上的有机物分解并进入土壤的速度比周围森林中的更快。
In other words, organic matter gets broken down and added into the soil more quickly in these gaps than in the surrounding forest.
排泄物含有肥沃土壤的氮。
土壤的颜色取决于很多因素。
在地里，农民使用了太多破坏土壤的化学品。
In the fields, farmers use too many chemicals which destroy the soil.
不同的树种对土壤的形成和性质有不同的影响。
Different species have different influences on soil formation and soil properties.
在这种耕作方法中，种子和肥料是通过地面上的小切口进入土壤的。
In this method of farming seeds and fertilizer are put into the soil through small cuts made in the surface of the ground.
在一个地区过度放牧的后果是植被覆盖的减少和对土壤的践踏和粉碎。
The consequences of an excessive number of livestock grazing in an area are the reduction of the vegetation cover and the trampling and pulverization of the soil.
《自然的馈赠》根据中国阴历和土壤的五种颜色来描绘作物的生长过程。
"The Gift of Nature" shows crop processes according to the Chinese lunar calendar and the five colors of the soil.
例如，外来植物的入侵可能会改变落叶的数量，从而改变对土壤的营养贡献。
For example, an invading nonnative plant could alter the quantity of leaf litter production, which would alter nutrient contributions to the soil.
他写道：对旧记录的整理表明，我们的伟大是随着我们土壤的丰饶而起落的。
He wrote: Collating old records shows that our greatness rises and falls with the living fertility of our soil.
当我们更好地了解土壤多样性时，我们就能更好地预测森林管理对土壤的影响。
When we better understand pedodiversity, we will be better able to predict the impact of forest management on soil.
如果你比较来自森林的土壤和不是来自森林的土壤，森林土壤的变化量很可能更大。
If you compare soils from a forest with soils that don't come from a forest, the amount of variability will most likely be greater in the forest's soil.
我们的目标应该是促进土壤的多样性，并通过这种方式，从大体上改善生物多样性。
The goal should be to promote pedodiversity, and through this, biodiversity in general.
这就是露水池的水源头，是下方大片的紫杉和无花果树所需潮湿空气的来源，也是土壤的来源。
That is what provides the water for Dew Pond, the moist air under the spreading yews and figs below it, and the soil.
一旦完成了这个，河流带来的淤泥会沉积在此处，回报是丰厚的：产量是被雨水滋养的土壤的四到五倍。
Once this was done and the silt carried down by the rivers was planted, the rewards were rich: four to five times what rain-fed earth would produce.
我们会观察土壤的化学性质——比如某个地方的土壤里有多少氮或者镁——然后与附近土壤的化学性质作比较。
We look at soil chemistry—for example, how much nitrogen or magnesium there is in the soil in one spot—and we compare it with the chemistry of the soil a short distance away.
在现代农业中，土壤的矿物损耗是一个主要的问题，因为收割农作物会中断养分的循环，使其无法重新回到土壤中。
In modern agriculture, mineral depletion of soils is a major concern, since harvesting crops interrupts the recycling of nutrients back to the soil.
演替受到许多因素的影响：土壤的性质、暴露于阳光和风中的时间、降水的规律性、偶然的殖民和许多其他随机因素。
Succession is influenced by many factors: the nature of the soil, exposure to sun and wind, regularity of precipitation, chance colonizations, and many other random processes.
在很多地区，由于工业化肥和农药的持续使用，导致自然土壤的肥力正在下降，然而化肥的流入却导致湖泊中藻类生长得越来越快。
Natural soil fertility is dropping in many areas because of continuous industrial fertiliser and pesticide use, while the growth of algae is increasing in lakes because of the fertiliser run-off.
降水往往会把细小的粘土颗粒转移到土壤的最微小的空隙中，使这些空隙变得封闭，从而形成了一种几乎不允许任何水分渗透下来的表层土壤。
The impact of raindrops on the loose soil tends to transfer fine clay particles into the tiniest soil spaces, sealing them and producing a surface that allows very little water penetration.
硝酸盐和水溶性有机氮随着去离子水的迁移而迁移，并增加了土壤的肥力。
Nitrate and water-soluble organic nitrogen were migrated with deionised water migrating and increased subsoil fertility.
我们必须认识到土壤的价值比黄金还要贵重。
尽量减少对土壤的干扰并通过现有的覆盖层直接播种。
Soil is disturbed as little as possible and is seeded directly through existing mulch cover.
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