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Johnson Grass
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<blockquote data-quote="Anonymous" data-source="post: 497"><p>Many herbicides such as Roundup will kill Johnson grass but also your surrounding "good" grasses as well. Talk to your county agent about something to use to more specifically target Johnson grass or perhaps spot spray (depending on the severity of your infestation). You could also consider talking with cotton farmers in your area (assuming there are some)to find out what they use to kill Johnson grass grwoing in their stands of cotton without harming their cotton plants.</p><p></p><p>Another solution is to intensively graze out the Johnson grass, except in situations when nitrate or prussic acid poisoning is a concern. Unlike bermuda, bahia, etc. Johnson grass cannot tolerate constant grazing and can pretty much be killed out in about a year if you just let the cattle get after it. I unintentionally killed out a pretty good stand by letting the cattle just eat it (I think they preferred it to bermuda and bahia).</p><p></p><p>I know that many others will disagree vehemently with this notion, but Johnson grass can be "managed" as a perennial for rotational grazing and/or hay production. In my view, and experience, Johnson grass makes for a very cheap alternative to planting haygrazer, sudan or similar grasses every year and can have a place in a cattle operation when properly managed.</p></blockquote><p></p>
[QUOTE="Anonymous, post: 497"] Many herbicides such as Roundup will kill Johnson grass but also your surrounding "good" grasses as well. Talk to your county agent about something to use to more specifically target Johnson grass or perhaps spot spray (depending on the severity of your infestation). You could also consider talking with cotton farmers in your area (assuming there are some)to find out what they use to kill Johnson grass grwoing in their stands of cotton without harming their cotton plants. Another solution is to intensively graze out the Johnson grass, except in situations when nitrate or prussic acid poisoning is a concern. Unlike bermuda, bahia, etc. Johnson grass cannot tolerate constant grazing and can pretty much be killed out in about a year if you just let the cattle get after it. I unintentionally killed out a pretty good stand by letting the cattle just eat it (I think they preferred it to bermuda and bahia). I know that many others will disagree vehemently with this notion, but Johnson grass can be "managed" as a perennial for rotational grazing and/or hay production. In my view, and experience, Johnson grass makes for a very cheap alternative to planting haygrazer, sudan or similar grasses every year and can have a place in a cattle operation when properly managed. [/QUOTE]
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