Improvement in food resources

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Across
  1. 4. to control weeds,insects and diseases
  2. 7. used in organic farming
  3. 8. crossing between genetically different organism
  4. 9. cause of diseases in plants
  5. 11. micronutrient in soil
  6. 12. one of the three main ways by which our body obtain its energy
  7. 13. nutrients used in large quantities
  8. 14. is a condition resulting from eating a diet that contains insufficient nutrients
  9. 15. biotic factor for storage loss
Down
  1. 1. duration of time during the day when plant recieves sunlight
  2. 2. to kill pest before storing of grains
  3. 3. type of weed
  4. 5. biotic resistance
  5. 6. type of manure used before sowing
  6. 10. the growing of different crops on a piece of land in a pre plant succession