Chapter 3 - Agriculture an the environment Flashcards
(5 cards)
1
Q
Mineral particles
A
Combination of rock fragments and other inorganic substances.
2
Q
Organic content
A
Mixture of living plants, animals, microorganisms and their dead remains.
3
Q
Air
A
Held within the pore spaces (between the mineral particles and organic content).
o Air enters the soil by diffusion.
4
Q
The proportion of the components in soil depends on
A
o Type of soil;
o Way it has been managed;
o Local climatic conditions;
o Size of the mineral particles.
5
Q
Soil can be classified into three groups:
A
SILT
SAND
CLAY