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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
The characteristics and run-off risk of vegetable plot soil phosphorus in Liuxi river area was analysed by chemistry analysis and adsorption experiment.
通过化学分析、等温吸附试验对广州重要水源地流溪河流域的菜地土壤磷素特征和流失风险进行了研究分析。
This paper reviews on the recent research progress of soil humic substances in analytical chemistry.
对土壤腐殖质的分析化学研究进展进行了综述。
Environmental effect of city underlying cohesive soil can be summed up stress field effect, groundwater chemistry effect, thermal effect, electric effect, etc.
城市环境下粘性土环境效应通常可归纳为应力场效应、地下水水化学效应、热效应、电效应等方面。
At the same time, some projects for soil humic substances are discussed which may be solved by the methods of analytical chemistry in th…
同时，对土壤腐殖质的研究中有待进一步用分析化学方法解决的几个问题进行了探讨。
REQUIREMENTS: Masters Degree in agronomy, plant nutrition, soil science, chemistry or similar. Related field experience a definite plus.
要求：硕士学位，植物营养，土壤科学，化学或相关农学专业。
The process of iron reduction by the microorganism has an important significance in the soil environmental chemistry of paddy slurry.
水稻土中铁的微生物还原过程在土壤环境化学方面具有特殊的意义。
Courses include plant biology, the chemistry of fertilizers and pesticides, identification of trees and shrubs, soil conservation, and related studies.
课程包括植物生物学，肥料和杀虫剂的化工制造，树木和灌木的辨识，水土保持及相关研究。
The AWC of main sorts in China was estimated with the studied model and elementary soil physical and chemistry data.
将研究所得的土壤awc估算模型，结合收集整理的土壤理化数据，进行我国主要土壤类型的土壤awc估算。
The soft soil subgrade treatment should be adopted different measures according to the physical and chemistry characteristics of soft soil, buried layer depth, material condition and road.
软土路基处理应根据软土、淤泥的物理力学性质、埋层深度、材料条件、公路等因素分别采取处理措施。
The results illustrate that chemistry reaction of the soil is weakly alkaline, the K nutrition is plentiful, whereas N and P are insufficient in most parts of the reed fields in Hubei province.
结果表明：绝大多数苇田呈碱性反应，钾素营养丰富，氮、磷养分普遍不足；
LU Rukun. Analysis Method of Agricultural Chemistry in Soil [m]. Beijing: Agriculture and Science Press, 1999. (in Chinese), 1999.
[7]鲁如坤。土壤农业化学分析方法[M]。北京：中国农业科技出版社，1999。
[LU Ru-kun. The Principle of Nutrition of Soil-Plant and fertilization [m]. Beijing: Chemistry industry press, 1998.].
[31]鲁如坤。土壤-植物营养学原理和施肥[M]。北京：化学工业出版社，1998。
[LU Ru-kun. The Principle of Nutrition of Soil-Plant and fertilization [m]. Beijing: Chemistry industry press, 1998.].
[31]鲁如坤。土壤-植物营养学原理和施肥[M]。北京：化学工业出版社，1998。
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