Re: Misters
chris, hi. would these misters/ micro emitters work inside a temp green
house? i,m thinking of the 8 gph. for overhead watering /fert applications
when plant is still fairly young? thanx craig
----- Original Message -----
From: Chris Andersen <chrisa@value.net>
To: <pumpkins@mallorn.com>
Sent: Wednesday, December 08, 1999 7:12 AM
Subject: Misters
>>Marv in Altoona
>>
>>Chris:
>>Before you leave us again would you comment on your watering system? Where
>>you purchased your misters and if you have any new thoughts?
>>Marv
>===============================================================
>Marv,
>I am not leaving, just stepping down at the end of the week so someone else
>can take over the podium. I like Duncan' idea of inviting a different Heavy
>Hitter to speak each week and look forward to hearing viewpoints other than
>my own. My misting system is used to cool the leaf surface of my plants
>during high temps, above 85-90F. It has worked quite well in keeping the
>plants cool and eliminating leaf burning in high temps up to 111F. Many of
>the Napa Valley Growers now use such a system with great satisfaction. The
>idea is to wet the leaf surface area just enough to cool the leaf by
>evaporation of the water. It consists of a Irritrol microprocessor
>controller (water timer) and micro emitters (sprinklers). A standard rain
>bird type water timer does not support the functions required to make the
>system work. You need a water timer or controller that provides for "Loop
>Cycling"and "Loop Delay". This feature allows you to program a "Start
>Time", "Stop Time" and "Programming of each Valve" for a specified run time
>in seconds or minutes in a cycle. Example: At 10 a.m. the first valve
>starts, runs for 60 seconds, shuts off, valve two starts runs for 60
seconds
>shuts off. The system then shuts off for 8 minutes, then valve one starts
>and runs for 60 seconds and so on until 4 PM or programmed shut off time
>when the entire system shuts down. There is a difference between misters
and
>micro-emitters. Misters provide exactly that, a fine mist almost like a
fog.
>Micro-emitters on the other hand are actually micro-sprinklers that
>broadcast a very fine broken up water pattern. I prefer the micro-emitters
>as I find they cover a larger area and provide for better wetting of the
>leaf surface area. Misters on the other hand provide such a fine mist or
fog
>that it tends to swirl around in a un-even pattern missing much of the leaf
>area. The micro-emitters I use are available in 49gph,21gph and 8gph sizes.
>I have found for a large to medium size patch 3,000 sqf plus the 21gph work
>great, for smaller patches the 8 gph work great. These are available from
>Ewing Irrigation products Main Office 3441 East Harbour Drive Phoenix AZ
>85034 PH: 602-437-9530. Part # for the 21 gph is 12002030. As a side note
>some of the Napa Growers may want to further comment on this subject as I
>believe they are using different micro-emitter heads which do not put out
as
>much water.
>Chris
>
>
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