Basic Agriculture Unit 8

2. material that reduces the acid content of soil
6. the process of liquid to gas
8. a material (such as decaying leaves, bark, or compost) spread around or over a plant to enrich or insulate the soil.
12. crops planted to hold soil in place between the times that main food crops are growing
13. water that is not help in place or flowing along the Earth physical feature
14. dead plant and animal’s waste or remains
17. planting without plowing or disking the soil
19. rain, snow, sleet, or hail that falls to the ground.
22. water that is clean and safe to use
23. to make clean and free of dirt
24. the highest amount of substance
25. the process of wearing out or away or soil

1. layers of soil are removed from the land
3. substance that provide and supplies nutrients for plants
4. The continuous movement of water on, above, and below the surface of the Earth.
5. the level of the land around a hill
7. severe soil loss that leaves trenches in the land surface
9. water that contains little to no salt
10. a sequence of living organisms that eat and are eaten by other other living organisms
11. huge land of sand barely with plant life, moisture or water
15. The practice of rotating use of different fields from crop to crop each year, to avoid exhausting the soil.
16. cultivation in which different crops are sown in alternate strips to prevent soil erosion.
18. water that flows up the mouth of a river with rising ocean tides
20. Supplying land with water through a network of canals
21. plant material that remains when a plant dies or harvested