Sentence examples for layer of humus from inspiring English sources

The soils are acidic, and the layer of humus is thin.

Light, forest-derived soils predominate, forming a thin layer of humus over lateritic (iron-rich) subsoils.

It is a deceptive vision of lush land, since the thin layer of humus is unsuitable for agriculture.

The ground surface is bare, except for a thin layer of humus and fallen leaves.

It has only a thin layer of humus (the organic portion of the soil created by partial decomposition of plant or animal matter), which provides vegetation with nutrients.

The area is also highly susceptible to fire due to its thick layer of humus.

In other species, development of a colourless gametophyte is slow, so at maturation, which may require up to eight years, the fleshy gametophyte will have become buried in successive layers of humus.

A typical tundra soil has a shallow surface layer of raw humus, beneath which there is a horizon (soil layer) of gley (sticky, clayey soil) resting on the permafrost.

Cambisols are characterized by the absence of a layer of accumulated clay, humus, soluble salts, or iron and aluminum oxides.

Mor humus types are most common with a thick layer of moss, but moder/mull humus forms occur in nutrient rich sites along the salmon spawning channel.

This is a weathered layer that contains an accumulation of humus (decomposed, dark-coloured, carbon-rich matter) and microbial biomass that is mixed with small-grained minerals to form aggregate structures.