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water. Drippers come preassembled in various lengths to accommodate various suspension heights in greenhouses. Baskets up to 12 inches are ideally suited for drip systems. Larger bas- kets may require spray stakes or several emitters per basket.

2

Drip or Spray Stakes for Potted Crops and Nursery Containers

Potted crops or outdoor nursery containers can

also be watered automatically with drip emitters or spray stakes. Drippers are used on smaller containers from 3½ square inches up to gallon and larger containers. Small containers allow the dripping water to migrate outward and satu- rate the soil profi le. For larger containers, spray stakes help convey water across the soil surface area for adequate saturation. Drip systems and spray stakes ensure the water is injected directly to the soil, which reduces overspray.

3

Microsprinklers (Overhead)

Microsprinklers simulate a light rain or mist.

They are typically installed overhead and are ideally suited for fl at material such as cell packs or square containers. Any crop grown edge to edge in a greenhouse and not sensitive to wetting foliage is a good candidate for microsprinklers. With

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