Agriculture History Crossword

3. the process of cultivating plants and animals for food
7. the term for each layer of soil
9. what soil provides for bugs, earthworms, burrowing mammals, etc.
10. the removal of soil from one place and the transfer to another place
12. the practice of raising crops and livestock for human use and consumption
13. this type of agriculture occupies about 25% of the world's cropland
14. a term that refers to particles moving downward in the soil
15. 1 of these contains millions of bacteria, fungi, algae, and other single-celled organisms
16. this covers 26% of Earth's land surface

1. occurs when soil deteriorates
2. the property of soil that refers to the ability to grow plants due to essential nutrients
4. the land used to raise plants
5. this comes from rock and is molded by living organisms
6. one of every ______ acres of land on Earth is used to produce food and fiber for human use
8. also known as pasture
11. the oldest form of agriculture