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Forage Moisture Testers
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Browncows
Posted 8/9/2011 21:34 (#1905015)
Subject: Forage Moisture Testers


Capac, Michigan
Is there any other forage testers out there that are accurate and faster than a Koster tester for $400 or less. I have always used a Koster but I always barrowed one but I want my own. They are about $380 directly from Koster which includes the digital scale. TIA, Andy!
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Jay NE Ohio
Posted 8/10/2011 08:29 (#1905618 - in reply to #1905015)
Subject: Re: Forage Moisture Testers



northeastern Ohio
Nasco has a couple new forage testers available. I do not have any experience with them. Here is a link to one for $295:

http://www.enasco.com/product/C29371N

I still use an old Koster. I did make one out of an air pop-corn popper ($10 at Walmart) a few years ago, but it was way too powerful ( I had to baby sit it to keep it from burning the sample. I think a grad student at Penn State made one out of a hair dryer a few years ago:

http://ohioforages.blogspot.com/2008/08/dry-forage-samples-with-hai...



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Hay Wilson in TX
Posted 8/10/2011 10:24 (#1905794 - in reply to #1905618)
Subject: It depends on your use or need.



Little River, TX
If your are into research that is one thing. If you are mixing feed that is another unique use.

If you are harvesting hay and need timely information that is another.

The Koster is the more accurate. It does require some time for a reading. I can definitely see how it would be of use in mixing feed.

If harvesting hay and your climate is such that you have most of the day to safely bale then any Koster or any of the probe style moisture testers will do just fine.

If you are baling hay in a more volatile climate or have a mix of sun baked and shaded windrows I suggest you will want an electronic tester set up for on the go testing.

Each system has advantages and disadvantages. None are super accurate AND timely.

Using an electronic probe tester if sampled immediately after baling it will read lower than if you wait an hour or more before sampling. Hay, fully cured hay will do a "sweat" and have an elevated moisture reading for a time.

HERE: I need to start baling, fully cured hay, as soon as the relative humidity down at the windrow is at 70% and/or the hay moisture is between 18% & 20% moisture using an on the go moisture tester and sampling on the side away from the knife. This tells me what the dew indused hay moisture is.
If I were baling hay that is consistently above 20% moisture I would want to sample for moisture in the cut edge of the bale as it moves through the bale chamber. This will provide an indication of the level of stem moisture. Above 20% hay moisture it is advisable to use some kind of preservative. It is possible to scab together a system for this but I advise you install a Harvest Tech system and use their experience and knowledge.

I emphasize HERE because here we have, (seldom more than,) 3 hours between too damp to bale & too dry to bale, More typical is 2 hours. This time of year we have hopefully a full hour if we insist on baling during the daytime. Night time baling this time of year we would start to bale around 1100 at too dry to bale and 0300 when it is too tough to bale.

You will have to tailor your management and equipment to the needs of your local microclimate(s).

Personally I prefere a moisture meter that is an analog needle rather than a digital read out. I like to keep on eye on how the moisture levels of the hay is varying. It can vary extensively from one charge to the next.

As bale moisture changes bale weight and length will vary also.
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OMC260
Posted 8/10/2011 13:09 (#1905948 - in reply to #1905015)
Subject: RE: Forage Moisture Testers


Sioux Center, Iowa

Farmex hand held.  Got mine off ebay. 

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dave_dairy
Posted 8/11/2011 22:27 (#1908253 - in reply to #1905015)
Subject: RE: Forage Moisture Testers



New Brunswick
We use a lab moisture tester by Ohaus. It combines the scale and heater in one unit. Pricey, but the only way to go for TMR. Tare it, load the forage, come back in 30 mins and read the moisture on the display.

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skicker
Posted 8/12/2011 09:00 (#1908760 - in reply to #1905015)
Subject: RE: Forage Moisture Testers


CNY
Warning. Tried using a microwave for a while. Don't go that route. They need too much attention to avoid cooking off some of the dry matter. That won't happen if you leave the Koster on.
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