Across
- 3. process by which organisms oxidize sugars and derive energy in the form of ATP from the molecular bonds which are broken
- 4. rate at which water and air move into and through the soil is affected by the amount, size and arrangement of soil pores
- 7. soil _______________ is the exchange of soil and atmospheric air to maintain oxygen for plant roots
- 11. soil _____________ is the quantity and availability of soluble salts in soil
- 12. groups of soil particles which bind to each other more strongly than adjacent particles
- 13. movement of water through soil
- 14. Bulk _____________ is the dry weight of soil per unit volume of soil; indicates the degree of structure or compaction present in the soil
Down
- 1. soil ________________ is the quality of soil and its ability to sustain plant life and provide adequate nutrients
- 2. field _____________ is the maximum amount of water a soil can hold against the pull of gravity
- 4. process of converting light energy to chemical energy and storing it in the bonds of sugar
- 5. mechanical or chemical breaking down of rocks
- 6. _____________ water moves through the soil due to the force of gravity and is found in macropores
- 8. void spaces in soil, known as pores which can be filled with air or water
- 9. process by which water is absorbed into the soil from the ground surface
- 10. ____________ water is held in soil against the pull of gravity, yet can be removed by plant uptake or air drying