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1·Laterite ores can be approximately divided into two categories: the limonite and the humus soil.

红土镍矿大致可分为褐铁矿型和腐植土型两类。

2·As he pondered over the dimly discernible piece of news he had received he smelled the smell of river water that has been dyed a transparent black by humus soil.

他琢磨着那一丝缥缈的消息。他闻到了一股被腐植质染成清黑色的河水的气味儿。

3·The practice shows that the humus soil activated sludge process can enhance nitrogen and phosphorus removal, improve greatly the sludge dewaterability and realize the odor…

实践表明，腐殖土活性污泥工艺可强化对氮、磷的去除，使污泥脱水性能大大改善，实现污水处理流程的无臭化。

4·Land reclamation technology includes surface humus soil stripping and piling, blocks the dregs dam. retaining dam, flood drainage guide, land leveling and backfilling of soil humus.

土地复垦技术措施包括表层腐殖质土的剥离与堆放、拦渣坝、挡土坝、导洪排水、土地平整与腐殖质土回填等；

5·The paper points out that the factors which influence the bark quantity are soil quality, the position and the shape of the slope, the depth of humus soil, and the content of organic matter.

影响黑荆树皮量主导立地因子有土壤质地、坡位、黑土层厚度、坡形、土壤有机质含量。

6·Once the humus layer disappears, nutrients cannot be recycled and leach from the soil, converting soil from fertile to infertile and making it suitable only for savanna vegetation.

一旦腐殖质层消失，养分就无法从土壤中回收和过滤，致使土壤由肥沃变为贫瘠，只适于热带草原植被的生长。

7·Humus is classified according to how well it is incorporated into the mineral soil, the types of organisms involved in its decomposition, and the vegetation from which it is derived.

根据腐殖质与矿物质土壤的结合程度、分解作用中所含的有机物类型以及原有的植被，腐殖质可区分为几个类型。

8·Cover crop: a crop such as winter rye or clover planted between periods of regular crop production to prevent soil erosion and provide humus or nitrogen.

间作在常规农作物生长间期内种植的农作物，比如冬麦或三叶草，以预防土壤侵蚀并能提供腐殖质和氮。

9·Earthworms consume large amounts of soil, and produce a rich humus, perfect in texture.

蚯蚓吃下大量土壤，排出肥力丰富、物理结构理想的腐殖质。

10·The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose.

缺少腐殖质和过度淋滤使这种土壤对农业几乎无用。