Modern Agriculture, two

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Across
  1. 2. 2, see question 3
  2. 3. Modern agriculture increases...by making more .q7.. available, improving its quality and making it ..q2. to more people.
  3. 4. are substances that are used to control unwanted plants
  4. 5. any number of synthetic compound substances created specifically to increase crop yield.
  5. 8. machinery used to go faster through large fields
  6. 9. more efficiet,inovative,agricutlure
  7. 11. substances that are used to kill insects
  8. 12. agricultural profitability and improved nutrient use efficiency can be achieved through better... which includes optimum fertilizer applications.
Down
  1. 1. control specific weed species, while leaving the desired crop relatively unscathed
  2. 6. a machinery for breaking up and smoothing out the surface of the soil.
  3. 7. 7, see question 3
  4. 10. process by which humans use the breeding of animals and plants to selectively develop particular characteristics