the soil

Mere som dette

From Flower to Seed

af Agustin Sarmiento

Food Additives

af wong calvin

DIKT - Attributter og Egenskaper

af Øyvind Hognestad

Ecotourism

af Areana Cantillo

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.