soils

While potassium is present in most rocks and soils, the ore is often mined from ancient sea beds and salt lakes.

尽管钾存在于多数岩石和土壤中，但它通常采自年代久远的海床和盐湖里。

In areas of poor soils, within two years of cultivation, synthetic nitrogen and mineral fertilizers have to be applied heavily.

在土壤养分贫乏的地区，经过两年内的种植后就必须很大量应用合成氮肥与矿物肥料。

This process is called chemosynthesis, and a lot of different microbes can do it, microbes living in rocks and soils all over the world.

这个过程叫做化能合成，并且很多不同的微生物都能利用这种能源，比如世界各地生活在岩石和土壤中的微生物。

It would be very wrong to think of soils as just a collection of fine mineral particles.

这将是非常错误的土壤看作仅仅是罚款矿物颗粒的集合。

methods, aided by a few lucky finds from peat-bogs, deserts, and frozen soils, is able to fill up a good deal of the gap.

然而，现代考古学通过运用适当的技术和比较的方法，在从泥炭、沙漠和冻土中所获得的一些幸运发现的辅助下，能够填充这个空缺的很大部分。

Secondary pollution was one of the key issues for the completely bioremediation of soils.

次生污染问题是土壤完全修复的关键。

The results also showed that there was no organochlorine pesticide residue in major tobacco growing soils in Yunnan.

结果也表明云南烟区土壤基本没有有机氯农药残留。

Recycled food organics are composted to produce a valuable soil conditioner product to improve the health and productivity of our soils.

回收食物中的有机物可以形成有效的土壤调节产物，改善土壤的养分和生产力。

The shear wave velocity in soils was the main parameter generally used in soil mechanics researches and geotechnical engineering practices.

土体剪切波速是土力学研究与岩土工程设计的关键参数之一。

Heavy metal polluted soils have been a serious problem to the global ecology and environment safety.

土壤重金属污染已经对全球生态环境、食品安全和居民身体健康构成了严重的威胁。

Studies show that this time-dependent wall displacement is mostly likely due to undrained creep of clayey soils surrounding the excavation.

研究结果显示引致连续壁体依时变形的最可能原因是来自开挖背侧之土壤不排水潜变。

It favours sandy soils in the warmer, eastern parts of the continent, where it may grow up to 15 metres in height.

它喜欢沙质土壤，在温暖的非洲东部可以长到15米高。

Elsewhere, irrigation schemes have already caused salty groundwater to rise towards the surface and contaminate soils.

而在其它地方，灌溉计划已经引起盐碱化的地下水向地表上升并污染土壤。

Wind and spring floods erode soils, exposing underlying layers and premiering new compositions of humus and minerals on the surface.

风沙和水灾侵蚀着土壤，暴露出地下土层，腐殖质新成分及其表面的矿物。

The atmospheric supply of nutrients is usually small relative to the supply of nutrients found in mineral soils.

来自大气的养分供应量，一般少于矿质土壤本身的养分供应量。

The dirt farmers improved the land with dung and other sort of soils.

自耕农们用粪便和其他肥料增强土地的肥力。

Phytoremediation is a hot topic and is one of important technologies to control the arsenic contamination in soils.

植物修复是目前世界研究的热点，也是治理砷污染土壤的主要手段之一。

The central concept of Mollisols is that of soils that have a dark colored surface horizon and are base rich.

均腐土的核心概念是，土壤具有深色和肥沃的表层。

After the growth of a lonely tree in two soils, her sweet soul will be dispatched to its final rest.

在两片泥土中生出一株孤木之后，她那甜美的灵魂将会被遣返到最后的安息地。

Phytotoxicity of aluminum(Al) is widely considered to be a serious agricultural problem limiting crop productivity in acidic soils.

铝的毒害被认为是酸性土壤上作物产量形成的主要障碍因子。