Across
- 8. mixing different plants in same plot
- 9. overgrazing,deforestation,etc
- 10. severe when soil is uncovered
- 11. used on thin tropical soils
- 12. feeds our entire population
Down
- 1. how our ancestors obtained food
- 2. agriculture that uses people
- 3. agriculture that uses machines
- 4. lost when a crop becomes monoculture
- 5. boron, zinc, and manganese
- 6. phosphorus, nitrogen, and potassium
- 7. same crop in one large area