the soil

Mere som dette

mapa cons

af fabricio romaniello

John's Venn

af John Caldie

Foundation Chemistry UNIT 1

af Hannah Homenuk

Environmental Pollution

af Yazmin Bautista

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.