Across
- 3. undersired vegetation
- 4. "cousin" of wheat
- 5. seeds that do not need to be reseeded every year
- 7. crossing an existing annual crop with wild perennial cousin
- 10. included in the sunflower famiily and survives hot and dry conditions
Down
- 1. innovations that combined to make up new plant varieties
- 2. great for nitrogen fixation
- 6. flatbreads, porridges, couscous beer
- 8. essential for crops
- 9. planted from see and grow to maturity and die in one year
