Water and Lighting in a Greenhouse Follow these tips for
installing drip irrigation and lighting in a greenhouse. E-mail
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Water and light are essential to plants, and in a greenhouse
you'll have to provide both. There are several different
watering methods to choose from: hand watering, capillary mats
that bring water up from below, overhead watering, and drip
irrigation that delivers water directly into each pot.
Greenhouse expert Scott Naegeli says a drip irrigation system is
easy to lay out and is very cost-effective. It delivers small
amounts of water over long periods of time, so plants stay
uniformly moist. Installation is fairly simple: - Be sure the
mainline that carries water into the greenhouse is sunk
underground at least four feet, which is below the frost line,
to make sure the water in the line doesn't freeze. - Use a
3/4-inch poly pipe as the water supply line. Position it to run
down the length of the bench. - From the main line, con