the soil

Больше похоже на это

subject and object questions

от Sofía vizoso

Steel Design

от Omar Al-Khatib

Gardening

от Lauren Ronan

Ethan Frome - Prologue

от Alexander Sadler

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.