Across
- 2. growth of new high yield strains of grain crops, mostly wheat and rice
- 3. seeds that produce at large quantities
- 5. being extremely poor
- 8. boost plant nutrition
- 9. things in the environment that are harmful for it
Down
- 1. lack of proper nutrition
- 4. using powered machinery instead of animals and human labor
- 6. cleaning of forest lands
- 7. has largest global demand for water