类别 全部 - microorganisms - soil - organic - structure

作者:Giovanna Genovese 7 年以前

316

the soil

The text discusses various components of soil and their significance. It includes a variety of substances such as minerals, sand, loam, silt, and clay that contribute to soil structure.

the soil

THE SOIL

AIR

WATER

MINERAL SUBSTANCES

STRUCTURE
LOAM / SILT
SAND
CLAY

ORGANIC MATTER

Organic matter: substance composed of animal and vegetable material.
HUMUS
Well decomposed organic matter in the soil
microorganisms
Keelback slug, Myriapod, Bacteria, Beetle, Lice(Louse), Mite, Lizard, Shrew, Larvae, Mole, Protozoa, Earth Worm, Nematode, Fungi, Ant.