in soil -what is "mor" "mull" humus?

Answer 1

mull humus is a non acidic humus on a forest floor that eventually integrates into the soil beneath it.

humus is any organic matter which has reached a point of stability, where it will break down no further and might, if conditions do not change, remain essentially as it is for centuries.

Answer 2

mor- is found i harsh climatic conditiob abd abundance of recalcitrant organic matter typical of unproductive. Mor means few species are present.

Mull-they are fertile found in productive ecosystem,-agricultural land,decideious forest, tend to support a high level of plants and animals.