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13. this system is commonly used in large scale garden plots farms and soil is cultivated into ridges what usually untitled before planting.

A. permaculture
B. raised beds
C. ridge system
D.All of the above

14. it is a planting system that emphasizes sustainable use of land and green gardening practices.
A. permaculture
B. raised beds
C. ridge system
D.All of the above
15. it is used to where the tree needs protection from human activities.
A. Protection staking
B.Support staking
C. Anchor staking
D.All of the above

17. This method of irrigation is used in the very popular Banaue Rice Terraces wherein water flows down each
step which are supported by retaining walls.
A. Terraced irrigation
B. Center pivot irrigation
C. Sprinkler irrigation
D. Rotary irrigation

18. This is known the most water efficient method of irrigation since water is applied directly to the crop.
A. Ditch irrigation
B. Drip irrigation
C. Sprinkler irrigation
D. Manual irrigation

19. This type of irrigation where water is applied in form of sprays simulating natural rainfall.

A Drip irrigation
B. Sprinkler irrigation
C. Ditch irrigation
D. Center pivot irrigation

20. This method of irrigation is common on large areas and it uses a mechanical driven sprinklers moving in circular motion to reach greater areas.

A. Center pivot irrigation
B. Rotary irrigation
C. Terraced irrigation
D. Drip irrigation

21. This is a form of overhead irrigation where steel or aluminium pipes are joined together, supported by
trusses, mounted on wheeled towers,

A Center pivot irrigation
B. Rotary irrigation
C. Drip irrigation
D. Sprinkler irrigation

22. Using mulch or compost as a backfill is not recommended.
True
False

23. Use the soil that was removed from the hole as your backfill.
True
False

24. Use the shovel blade to slice through backfill in the hole to release air.
True
False

25. Use a slow stream of water to fill hole and settle any air pockets.
True
False​