PLANTS: increasing the number for

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Across
  1. 3. grows on well drained Sandy soil
  2. 6. development of seed into seedling.
  3. 7. scattering of seeds through agents of nature.
  4. 9. water ,air and ______ are necessary for germination of seeds.
  5. 10. can be grown from stem cutting.
Down
  1. 1. growing plants on large scale.
  2. 2. are the most useful gifts of nature for humans and animals.
  3. 4. a seed with two seed leaves.
  4. 5. chemical to protect crop.
  5. 8. summer crop.