Crossword puzzle

123456789
Across
  1. 4. Insects that damage crops.
  2. 5. In this method soil is covered using polythene sheets
  3. 6. Growing plants in nutrient solution.
  4. 7. New technique of watering plants using small tubes or pipes.
  5. 8. Temperature and moisture can be regulated in polyhouse farming
  6. 9. The unwanted crops which grow near main crop
Down
  1. 1. In hydroponics,plants are grown in this solution
  2. 2. Sheets used to cover crops in precision & polyhouse farming
  3. 3. Roots of plants in this grow in air.
  4. 5. covering crop field using polythene sheets.