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.
它可以在下雨时被冲刷掉，也可以释放到大气中，而磷与钙和铁结合，可以在土壤中保存数千年。
It can be washed out when it rains or it can be released to the atmosphere, whereas phosphorus combines with calcium and iron, and can be preserved in the soil for thousands of years.
铝铁硅钙壳是土壤表面或其附近的一层硬物。
月球的土壤(风化层)含有铁、铝、钙、硅、钛和氧等元素，此外还发现有大量较轻元素如碳、硫和氮等。
The lunar soil (regolith) contains iron, aluminum, calcium, silicon, titanium, and oxygen, as well as trace amounts of lighter elements such as carbon, sulfur, and nitrogen.
土壤中不但含有水分，还有大量其他的成分和物质，例如汞、钙、镁、一氧化碳、二氧化碳、氨和钠——以及少量的银。
Not only did it contain water, but a plethora of other compounds and elements including mercury, calcium, magnesium, carbon monoxide and dioxide, ammonia, sodium - and small traces of silver.
钙是以交换性盐基在粘土矿物及土壤的有机部分出现的。
It occurs as an exchangeable base in the clay mineral and organic fractions of soils.
该小组正在调查碳酸钙矿物中的元素，这些碳酸钙矿物沉积于距今2至170万年的湖内部及周边的淤泥和土壤中。
The team is investigating elements in the mineral calcium carbonate, which were deposited in the mud and soil in and around a lake between two and 1.7 million years ago.
土壤、饲料高氟是加重钙磷代谢障碍引发跛行的主要因素。
High level F in feed and soil was the main pathogenic factor of it.
通过室内模拟培养实验，研究了尿素、碳酸氢铵和硝酸钙对设施土壤盐分含量和离子组成的影响。
The effects of different nitrogen fertilizers on salt content and ion composition in greenhouse and open field soil were studied through laboratory incubation experiment.
在氮、磷肥施用的基础上，配施富钾硅多元复合物与施纯硅肥、钾肥、钙镁肥一样，在酸性土壤上具有显著的增产效应；
On the basis of N and P fertilizers, application of the multiple element compound has positive effect on yield in the acid soils.
苜蓿在有效钙含量不足的土壤上生长不良。
Alfalfa will fail to grow well on soils which lack sufficient amounts of available calcium.
施用钙硼肥料不但使花生成熟期植株中钙、硼含量提高，而且种植花生后土壤中的钙、硼残留量也明显增加。
The application Ca and B fertilizer not only increased Ca and B contents in peanut plant during maturity, but also significantly increased residual Ca and B in soil.
地上部分的生长、与土壤有效钙的供应密切相关。
The growth of the aerial portion was closely related to the supply of available calcium in the soil.
水泥粉尘使一些农田水稻和油菜产量有所下降，但对质量未产生不良影响，水泥粉尘会使土壤中钙的含量明显增加。
Cement flying dust decreased the yield of rice and rape at some farmlands, but did not produce harmful effect on its quality. There was an obvious increase in calcium content in polluted soil.
根据黄土丘陵区土壤肥力特点及土体结构，选用硝酸铵和过磷酸钙作为试验肥料，进行了不同施肥量试验。
According to soil fertility and soil structure in the loess plateau, the experiment of fertilizer amount was carried out with ammonium nitrate and calcium superphosphate.
采用盆栽试验方法，研究了施入过磷酸钙磷肥对土壤中外源铅的形态变化及其生物有效性的影响。
Using pot experiment, the transformations of different forms and the bioavailability of added Pb in soil blended with single superphosphate (SSP) were determined.
分析了不同地貌类型区土壤交换性钙含量及分布规律。
The exchangeable calcium content and distribution in different land-form areas were also analyzed.
然后采用“311—a”最优混合设计，研究碳酸钙、钙镁磷肥、胡敏酸组合配比对治理土壤镉污染的效果。
And then, "311-a" optimum compound design was used to study on remediation of cadmium contaminated soil with calcium carbonate, calcium magnesium phosphate and humic acid.
土壤增施有机质会促进钙的损失。
温度对土壤钾钙镁释放的影响相对较小。
Effect of temperature on the release of K, Ca, and Mg in soil was relatively small.
野核桃林土壤在长期特定的生物、气候条件下，其腐殖化过程和钙积化过程明显，粘化过程较弱。
The humic process and calcific process are obvious in wild walnut forest soils, but it is weak in argillic process.
黄土是在相对冷干气候条件下发育的成熟的灰黄色古土壤，不同地区黄土所属土壤类型主要为灰钙土、栗钙土、棕钙土、棕漠土和黑垆土。
But compared with reddish paleosols, it was formed in dry and cold conditions, so, loess even could serve as an indicator of dry and cold climate.
是一种长效磷肥，适用于酸性土壤或中性土壤，供给植物磷、镁和硅、钙等元素。
Is a long-acting fertilizer for acid soils or neutral soil, the supply of plant phosphorus, magnesium and silicon, calcium element.
由于我是搞农业的，所以知道硫酸钙是一种石膏肥料，在加州，我们普遍把它用作土壤改良剂。
Well, being in the agriculture business calcium sulfate I know is gypsum, and we use it as a soil amendment in California quite extensively.
应用地统计学方法研究了中国土壤表层钙元素背景值的空间变异结构，并借此进行了钙元素背景值的地域估值。
A spatial variability structure of the environmental background values for element calcium of the topsoil in China was analysed.
应用地统计学方法研究了中国土壤表层钙元素背景值的空间变异结构，并借此进行了钙元素背景值的地域估值。
A spatial variability structure of the environmental background values for element calcium of the topsoil in China was analysed.
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