土壤矿物是土壤物质组成的主体，是土壤微量元素的主要来源。
Soil minerals are the major components and main sources of the trace elements of soil.
此外，土壤物质在淋溶、迁移和聚集过程中，还受到各种因素作用距离长短的重要影响。
Furthermore, materials of soil are greatly influenced by the distance in the process of eluviation, migration and accumulation.
以横断秦岭-黄淮平原交界带中部的土壤断面为研究对象，应用土壤地球化学观点，讨论了交界带土壤物质迁移和积累规律。
The studied object in this paper is the soil section from west to east that acrosses the middle juncture of Qinling-Huanghuai.
将有机物质掺入白垩质土壤中将会降低碱性。
Incorporating organic material into chalky soils will reduce the alkalinity.
这些物质从生锈的桶中渗出，然后污染了土壤。
These substances leak from the rusty barrels and pollute the soil.
由这些颗粒物质组成的地层很常见，通常位于土壤下方看不见的位置。
Beds of this material, out of sight beneath the soil, are common.
较古老的冰川物质层之间是发育良好的土壤，它含有（生活在）温暖气候中的植物的化石。
Between the older layers of glacial material were well-developed soils containing fossils of warm-climate plants.
围绕在月球陨石坑周围的喷出物，正是人们所能预料到的在一次爆炸中能得到的物质，爆炸喷发出大量灰尘、土壤和岩石。
The ejecta surrounding the lunar crater is just what one would expect from an explosion ejecting a large volume of dust, soil, and boulders.
硝酸盐是水和土壤里天然存在的化学物质。
Nitrates are chemicals that occur naturally in water and the soil.
植物从土壤中吸取矿物质和其他养分。
农舍里的电脑正在检查温度、水和土壤中有机物质的含量。
The computer in the farmhouse is checking the temperature, the water and the level of organic material in the soil.
土壤中对植物有用的矿物质元素必须先溶解在土壤溶液中，然后才能被根吸收。
The mineral elements from the soil that are usable by the plant must be dissolved in the soil solution before they can be taken into the root.
我们可以把西部平原上覆盖的大片草地撕开，然后把有毒的化学物质倒入土壤中，直到土壤枯死，被风吹走。
We can tear apart the great grass cover of the western plains and pour toxic chemicals into the soil until the soil is dead and blows away in the wind.
大多数雨林土壤都很贫瘠，因为它们缺乏矿物质，而且高温和强降雨会在到达森林地面后的4年内破坏土壤中的大部分有机物。
Most rainforest soils are thin and poor because they lack minerals and because the heat and heavy rainfall destroy most organic matter in the soils within four years of it reaching the forest floor.
养分和矿物质容易从沙质土壤中流失，因此沙质土壤往往较为贫瘠。
Sandy soils are prone to the leaching of nutrients and minerals and so tend to be nutritionally poor.
令他们高兴的是，他们觉得这样可以使田地里的土壤富含矿物质，更加肥沃。
To their delight, they feel that this makes the soil in their fields richer in minerals and so more fertile.
当地农民正在与价格高昂的化肥作斗争，这些年来化肥减少了土壤中的天然矿物质。
The local farmers were struggling with chemical fertilizers which were expensive and had reduced the natural minerals in the soil over the years.
虽然大多数植物不能在这种土壤中生存，但某些植物有能力忍受高浓度的这类矿物质。
Although most plants cannot survive in these soils, certain plants have the ability to tolerate high levels of these minerals.
例如，所谓的蛇形土壤缺乏钙，只有对低水平的这种矿物质耐受的植物才能生存。
So-called serpentine soils, for example, are deficient in calcium, and only plants able to tolerate low levels of this mineral can survive.
这些物质从生锈的桶中渗出然后污染了土壤。
These substances leak from the rusty barrels and pollute soil.
但在福岛核电站附近土壤中发现了一种更加危险的物质——钚。
But a more dangerous material, plutonium, has also been found in soil near the power plant.
土壤中的细菌十年之内都不能把那些塑料物质降解掉。
Bacteria in the soil wouldn't break down the plastic material in ten years.
辐射来自于外层空间（宇宙射线），以及在土壤，水和空气中的天然放射性物质。
The radiation comes from space (cosmic rays) as well as natural radioactive materials found in the soil, water and air.
从技术上讲，我可以挖一些汞，铅，砷和其他有毒物质从土壤，东西成豆腐配方，并将其出售的“100 %天然”的产品。
Technically speaking, I could dig up some mercury, lead, arsenic and other toxic substances from the soil, stuff them into a tofu recipe, and sell it as a "100% natural" product.
他说，那些认为长寿与空气、水或者土壤所含物质有关的观点简直就是“胡说八道”。
The notion that something in the air, water or soil can prolong life is 'nonsense, ' he says.
它需要在嗅出作为食物的土壤细菌的同时避开对它有毒有害的物质。
It needs to scent the soil bacteria that are its prey, while avoiding those that are poisonous to it.
她说，大自然提供的物质与服务，比如清洁空气、雨水和肥沃的土壤，不应被认为是当然的存在。
She says that the goods and services provided by nature - like clean air, rain or fertile soils - should not be taken for granted.
它对土壤的破坏性比常规耕种法小，被认为有助于土壤保持更多有机物质和更大湿度。
It is less destructive to soil than conventional tillage and is believed to help soil retain more organic matter and moisture.
如果采用传统技术如轮作和堆肥为土壤补充氮和其他物质，就需要耕地也增长三倍了。
Using traditional techniques such as crop rotation, compost and manure to supply the soil with nitrogen and other minerals would have required a tripling of the area under cultivation.
史密斯先生说，“我们发现土壤中含有营养物质，能源，如果500万年前存在水，我们就接近于发现一个可能存在生命的环境。”
"We have nutrients in the soil, energy sources, and if there was liquid water five millions years ago, we're getting close to an environment where life could live," says Smith.
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