Selected soils are meadow soil, Black Calcium soil, and meadow alkali soil, respectively.
典型土壤选择草甸土、黑钙土、草甸碱土三种。
The Black Calcium soil plots were conducted in farmland, the meadow soil in the Natural Reserves, and the meadow alkali soil in the degraded grassland with saline bowls.
黑钙土样地选择在大田，草甸土选择在羊草自然保护区内，草甸碱土选择在退化草地碱斑部位。
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.
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。
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.
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 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.
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。
Calcium chloride and water glass can be used for soil stabilizing and dust controlling according to the test results.
该研究结果可有效利用氯化钙和水玻璃进行固土抑尘。
To dig calcium into the soil, he warned, does not help the plant.
他告诫说，翻土掺钙并不利于植物生长。
The growth of the aerial portion was closely related to the supply of available calcium in the soil.
地上部分的生长、与土壤有效钙的供应密切相关。
Generated mechanism on intensity of deep mixing pile of calcium lime, validity and applied terms of reinforcing soft soil foundation are treated of.
讨论生石灰深层搅拌强度形成机理，加固处理软基的有效性和应用条件。
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.
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。
Is a long-acting fertilizer for acid soils or neutral soil, the supply of plant phosphorus, magnesium and silicon, calcium element.
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。
Mutual effects of calcium magnesium phosphate and humic acid enhance residual lead contents in soil.
钙镁磷肥、胡敏酸互作可增加土壤残渣态铅的含量。
Additions of organic matter to soil hasten calcium losses.
土壤增施有机质会促进钙的损失。
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.
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。
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.
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。
Well, being in the agriculture business calcium sulfate I know is gypsum, and we use it as a soil amendment in California quite extensively.
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。
If rice was grown in saline-alkali soil, the best result was shown when the seeds were dressed with calcium oxide.
若种稻的土壤盐碱轻重，则以过氧化钙拌种，效果最佳。
With the help of laboratory and thermodynamic simulation, the relation of nitrogen transformation with calcium and magnesium variation during wastewater infiltration in soil water system is studied.
结果表明：在连续入渗条件下，阳离子交换作用是控制地下水硬度升高的主要过程；
With the help of laboratory and thermodynamic simulation, the relation of nitrogen transformation with calcium and magnesium variation during wastewater infiltration in soil water system is studied.
结果表明：在连续入渗条件下，阳离子交换作用是控制地下水硬度升高的主要过程；
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