The clear cutting caused timberbox fires that burned continuously, sometimes for years on end, leaving thin mineral soil and bare rock.
22.
Histic epipedon is a 20 to 60 cm thick layer of organic soil materials ( > 20 % ) overlying a mineral soil.
23.
On 10 wildfires studied in Colorado, rainfall amount and intensity followed by bare mineral soil explained 63 % of soil erosion variation.
24.
There are two types of palsas, those with a peat core and those with a core of mineral soil, usually silt.
25.
However, exposed mineral soil, much more so than organic-surfaced soil, is subject to frost heaving and shrinkage during drought.
26.
Mineral soil seedbeds are more receptive than the undisturbed forest floor, and are generally moister and more readily rewetted than the organic forest floor.
27.
Application of calcium will increase soil alkalinity, causing boron to fix on the mineral soil component and remove some fraction, thereby reducing boron toxicity.
28.
It is especially able to grow in areas with bare and exposed mineral soil, which can even lead it to become invasive in certain areas.
29.
Unlike most trilliums, it does not grow in leaf mold, preferring limy sandy gravel, crevices in limestone, or calcareous mineral soil instead.
30.
Certain species of earthworm come to the surface and graze on the higher concentrations of organic matter present there, mixing it with the mineral soil.
