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Old 08-23-2008, 11:33 AM
 
Location: Springtown Tx
8 posts, read 58,876 times
Reputation: 22

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I have about 8 acres of pasture for donkeys grazing. I also have a lot of Johnson grass that is taking over all the native grasses. Does anyone know of a way just to kill the Johnson grass? I found on the Web a herbicide called Pasture Pro that says livestock can graze immediately after applying but I'm leery of trying it in case it does something to my donkeys. Anyone else ever used it?

Thanks
Donkey Rush
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Old 08-23-2008, 01:49 PM
 
Location: Somewhere in northern Alabama
18,536 posts, read 55,453,855 times
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I don't think you'll find anything specific to Johnson grass. About all I can suggest is to either cut the pasture regularly before seed heading, or crossfence to overgraze smaller areas (maybe enlisting the aid to a few goats), then tilling and reseeding after a year or so of that, making sure the surrounding areas haven't been allowed to go to seed. The rhizomes make simple solutions impractical, AFAICT, and it'll always be an issue of control and not of eradication. Watch out for cyanide poisoning during certain growth stages. The hay is supposedly OK if properly dried.
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Old 08-24-2008, 11:10 AM
 
Location: Great State of Texas
86,093 posts, read 73,622,034 times
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I'll agree with harry on the cutting. I had some heavy sections on my property when I first moved here. Aggressive mowing to keep it from seeding helped but it took years.
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Old 08-24-2008, 07:53 PM
 
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All I can say is Good Luck. We lived in TX and that stuff was a menace! When you conquer that come up here to East TN and cure our kudzu problem.
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Old 08-25-2008, 02:14 PM
 
Location: Ocala National Forest
65 posts, read 315,436 times
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Can't specifically speak to Johnson grass, although it is a nusiance in FL. DH uses Weedmaster and Acord on our pasture, in the seasonal pond and along fence lines. We have six horses and I do not care how safe the label says the product is near grazing animals, I do not let them go out for 2 or 3 days to a newly sprayed area. Chemicals and equines do not mix well.
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Old 08-26-2008, 02:50 PM
 
Location: Springtown Tx
8 posts, read 58,876 times
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Thanks everyone. I was afraid there wasn't going to be an easy solution.Oh well, I'll just have to ask for a brush hog for my anniversary. Last year on our 40th I got a manure spreader. When you have livestock that's better than diamonds.

Donkey Rush
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Old 08-26-2008, 04:23 PM
 
Location: rain city
2,958 posts, read 11,463,461 times
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The evil Johnson grass spreads by sending out a network of thick underground runners. As long as the tiniest centimeter of root is left in the ground, the evil Johnson grass will resprout and return with a vengence. It is absolutely impossible to eradicate (worse than fire ants).

We had some land in Texas. I often called on the wisdom of the county agricultural extension agents for assistance. They were always wonderfully responsive even though they couldn't always solve my problem (like exterminating fire ants). Give your ag extension office a try, they may be able to advise you.

Good luck though with your battle. I wish you victory.
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Old 08-26-2008, 08:37 PM
 
Location: Texas
5,070 posts, read 9,076,702 times
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I was just looking at the bottom of the page, at a map where Johnson grass is growing. I was wondering if there is something different about Minnesota -- Maine, too. Could be it just hasn't spread there, yet. I can understand that it wouldn't be in most of Canada, since it is a bit cooler as you go north. Or, maybe they just haven't paid much attention to the rest of Canada.
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Old 08-26-2008, 09:02 PM
 
Location: Texas
5,070 posts, read 9,076,702 times
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Quote:
Does anyone know of a way just to kill the Johnson grass?
We had patches of the stuff growing on the farm, but usually I'd just try to get the roots out with a hoe. (no, not that kind). But with as much as you have, maybe you can try deep plowing some of it as a test. If it get's buried deep enough, it may not be able to come back.
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Old 08-26-2008, 09:35 PM
 
9,807 posts, read 13,681,328 times
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Spray with Roundup

Re-seed what you want in your pasture with a no til drill.
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