additional tiers of potted plants. Retractable roof greenhouse A unit that has a roof that can be opened during the day and closed at night. (see pp52) Quonset-type 半圓筒形 An inexpensive propagation house made of bent tubing or PVC frame that is covered ...
Containers for propagating and growing young liner plants Flats Clay pots Plastic pots Fiber pots Paper pots peat, fiber, expanded foam, and rockwool blocks Plastic growing containers for post-liner production polyethylene bags and plant rolls wood containers...