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1·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.

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。

2·Coursework includes plant biology, entomology, soil chemistry, and plant propagation.

课程包括植物生物学，昆虫学，土壤化学和植物繁殖。

3·Plants may possibly influence soil chemistry by the possession of chelating mechanisms.

植物由于具有螯合机制可能影响土壤的化学特性。

4·Fertilizer is closed conserved, since none is lost by leaching or the vagaries of soil chemistry.

肥料是关闭保存，因为没有人被借由过滤遗失或土壤化学的奇特。

5·The researches covered almost all of the important areas in soil chemistry, but concentrated on soil colloid, ion adsorption and electrochemistry.

研究工作已触及土壤化学的各个领域，其中以土壤胶体、离子吸附和电化学等方面的研究较为系统和深入。

6·Therefore, on the soil of phosphorus adsorption and desorption of organic phosphorus research, has increasingly become in the field of soil chemistry problems a concern.

因此，关于土壤对磷的吸附、解吸及有机磷组分的研究，已经日益成为土壤化学领域中的一个受人关注的问题。

7·And NASA's two Viking landers in 1976, equipped with sophisticated life chemistry experiments, analyzed the soil and found it devoid of the organic building blocks of life.

并且美国宇航局的两个维京人登陆车在1976年，装备有精密的生命化学实验仪器，分析了它的土壤发现完全不存在可以构成生命的有机组织结构。

8·The results are helpful for understanding the chemistry and nutrition of soil manganese.

其结果有助于弄清锰的土壤化学和土壤锰素营养。

9·Soil science majors learn about the chemistry, biology, use, management, and conservation of different kinds of soil.

这个专业学习化学，生物，用途，管理，以及不同土壤的保护等。

10·The physics and chemistry instruments on spirit have determined the soil, shown above, contains a high content of salts including iron - bearing sulfates.

精神号上的物理和化学设备已经检测了这些土壤，如上图所示，土壤中富含了盐份包括含铁的硫酸盐。