Across
- 5. A substance used for destroying insects or other organisms harmful to plants
- 7. The movement and exchange of organic and inorganic matter back into the production of living matter.
- 9. A plant variety that has been produced in cultivation by selective breeding.
- 10. The study of growing crops and improving yield.
Down
- 1. The offspring of two plants or animals of different species or varieties.
- 2. An organism that causes disease in plants.
- 3. Substance added to soil to enhance plant growth.
- 4. The study of heredity and the variation of inherited characteristics.
- 6. The supply of water to land or crops to help growth.
- 8. The preparation of land for growing crops.