Soil
Across
- 2. void spaces in the soil that can be filled with air or water
- 4. mechanical or chemical breaking down of rocks
- 5. movement of water through the soil
- 8. quantity and availability of soluble salts in soil
- 9. process of converting light energy to chemical energy and storing it in the bonds of sugar
Down
- 1. exchange of soil and atmospheric air to maintain oxygen for plant roots
- 2. Rate at which water and air move into and through the soil
- 3. quality of soil and its ability to sustain plant life and provide adequate nutrients
- 6. process by which water is absorbed into the soil from the ground surface
- 7. force that moves water down into the soil
- 9. measure of acidity or alkalinity of the soil
- 10. substance made of decomposed plant and animal residues, microorganisms and partially decayed plant material