In temperate forests, the build-up of leaf litter creates rich stores of nutrients.

在温带森林里，落叶形成腐殖质层可以贮藏养分。

It also adds nothing to the soil as far as nutrients or humus.

除了养分或腐殖质，它对壤也没有任何贡献。

Humus is the rich, organic, and important top part of soil.

腐殖质是壤中丰富、有机和重要表层部分。

Unlike other usual North American earthworms, these highly active worms eat large amounts of humus.

与常见北美蚯蚓不同，这些高度活跃蚯蚓吃大量腐殖质。

The larvae of most Oryctes species will grow to adulthood in decomposing plant material.

多数种类犀金龟幼虫会在腐殖质里长到成年。

Termites tunnel through wood allowing for decomposition of the wood into humus.

白蚁穿过木材，使木材分解成腐殖质。

All kinds of soil life need humus.

各种壤生物都需要腐殖质。

However, paper adds little to the soil in terms of humus or nutrients.

然而，在腐殖质或养分方面，纸质护根物对壤贡献很少。

Plants and other soil life cannot survive without humus.

没有腐殖质，植物和壤生物就不能生存。

Thuret has observed the same fact with certain sea-weeds or Fuci.

Thuret 在某些海藻或腐殖质中观察到同样事实。

The organic component of soil, called humus,   is mostly made up of broken down lignin.

壤有机成分称为腐殖质，主要由分解木质素组成。

Hammock soil is dark and rich, made up of centuries of accumulation of humus from the droppings of leaves.

吊床壤是黑暗而肥沃， 由几个世纪以来从树叶粪便中积累腐殖质组成。

A decrease in humus would also threaten birds and other animals that depend on insects that live in soil for food.

腐殖质减少也会威胁到鸟类和依靠生活在壤中昆虫为食动物。

It also adds nothing to the soil as far as nutrients or humus. And plastic also can block air from reaching the soil.

塑料不会为壤增加养分或腐殖质。塑料还可能阻止空气进入壤。

It is a mixture of broken rock, humus -- bits of dead plants and animal waste -- air, and water.

它是碎石、腐殖质（死去植物和动物粪便碎片）、空气和水混合物。

That is not a bad thing, because their decomposition creates nutrients for plants and humus to keep soils wet and full of fresh air.

那并不是一件坏事，因为它们分解会为植物和腐殖质创造养分，使壤保持湿润并充满新鲜空气。

Their job is to break the constant shower of leaves, wood, flowers and dead insects falling from the branches into humus that nourishes the tree.

它们工作是分解不断落下树叶、木头、花朵和昆虫尸体将变为腐殖质滋养树木。

Soon after the snow is off the round it rises through the dead needles and humus in the pine and fir woods like a bright glowing pillar of fire.

雪花落下后不久，它就从松树和冷杉林枯针和腐殖质中升起，就像一根明亮火柱。

But it is also known as " Alabama jumper, " " Jersey wriggler, " and " crazy worm." Unlike other usual North American earthworms, these highly active worms eat large amounts of humus.

但它也被称为“阿拉巴马跳跃者”、“泽西蠕虫”和“疯狂蠕虫”。与常见北美蚯蚓不同，这些高度活跃蠕虫吃大量腐殖质。