Ainda não temos significados para "much humus".
1As a cover-crop for poor land it adds much humus to the soil and makes capital grazing.
2Eventually a climax is sustained where there is as much humus in the soil as there can be.
3Water passing through well-cultivated soils containing much humus leaches out very much more material than pure water could do.
4The soil for palms need not contain as much humus (leaf-mould or peat) as that for most other house plants.
5These roots loosen and pulverize the soil, and their decay, at the end of the growing season, leaves much humus in the soil.
6This means that our Illinois prairie soil contains from five to ten times as much humus, or organic matter, as your best upland soil.
7How Much Humus is Soil Supposed to Have?
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