... Soil Science and Agronomy, General 土壤学、农学，一般 Soil Chemistry and Physics 土壤化学与物理 Soil Microbiology 土壤微生物学 ...
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蚯蚓是陆地生态系统中最为重要的大型土壤动物，它们通过影响土壤物理、化学和生物学性质来影响土壤养分的循环与转化。
It is well known that earthworm can affect nutrient cycling in terrestrial ecosystems significantly through modifying soil physical, chemical and biological properties.
肼类燃料在土壤环境中与粘土的作用最强，主要存在着物理吸附与化学降解两个方面。
It may be concluded that principal reactions between the hydrazine fuels and clay are physical absorption and chemical degradation.
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