Soils Review (1-19)

2. Subsurface drainage removes water from the plant ____.
3. Void spaces in soil are known as ____.
4. Hydraulic Conductivity is a quantitive measure of how easily ___ flows through soil.
6. _____ is soil which contains all 3 types of soil particles in equal amounts.
10. One of the three types of water found in soil is ____.
11. Agriculture depends on soil for_____.
12. ___ soil has a pH below seven and alkaline, or basic, soil has a pH above seven.
13. The ability of the pores of soil to hold water which is available for plant use is called ___ ____.
14. The solutions ability to carry a current is called ______ conductivity, or EC.
15. Organisms require more carbon than______.
17. Soil is often used for recycling and treatment for human and livestock_____.

1. ____ _____ _____ is a measure of the quantity of cations which can be absorbed and held by a soil.
5. ___ ____ is the removal of excess water.
7. Soil physical properties are the basic soil _________.
8. ___ _____ is defined as dry weight of soil per unit volume of soil and indicates the degree of structure or compaction present in soil.
9. Organisms prefer soil with ___ organic matter.
14. Soil with large pores will not ___ easily.
16. Aggregates are bound together by ____ matter.