Encara no tenim significats per a "call humus".
1The most important of these nutrients is nitrate nitrogen, thus soil scientists may call humus decomposition "nitrification."
2A compost pile is actually a fast-track method of changing crude organic materials into something resembling soil, called humus.
3Soil usually contains more or less dark, carbonaceous, decaying organic matter, called humus, and is then often termed the humus layer.
4When organic matter has undergone a certain amount of decay it is called humus, and these soils are called organic soils or humus soils.