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Johnson Grass
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<blockquote data-quote="Anonymous" data-source="post: 493"><p>Welcome to the Soghrum species! Having grown up on a farm/ranch operation in Denton County, TX., we had black/brown soil that was hog heaven for johnsongrass. Johnsongrass is a rhizomous grass, like bermuda, and otehrs. If you disk it, it merely cuts up the segmented rhizomes and re-plants it. The best way we found to get rid of it (over several years) was: Use a glyphosphate (e.g., "Round-up") herbicide at or before the boot stage (under about 12" hi) and when it dries thoroughly in about 7-10 days, plough it under. Then, when it sprouts again (from missed runners and segments) spray again. Next is to NOT graze livestock on it and then move them to another pasture--the seeds are viable in the manure. Unless the rhyzome of the grass is completely dried out and dead, it can re-sprout. Also make sure any hay brought in does not have johnsongrass in it. Johnsongrass can also be propagated via seeds. Hope this helps.</p></blockquote><p></p>
[QUOTE="Anonymous, post: 493"] Welcome to the Soghrum species! Having grown up on a farm/ranch operation in Denton County, TX., we had black/brown soil that was hog heaven for johnsongrass. Johnsongrass is a rhizomous grass, like bermuda, and otehrs. If you disk it, it merely cuts up the segmented rhizomes and re-plants it. The best way we found to get rid of it (over several years) was: Use a glyphosphate (e.g., "Round-up") herbicide at or before the boot stage (under about 12" hi) and when it dries thoroughly in about 7-10 days, plough it under. Then, when it sprouts again (from missed runners and segments) spray again. Next is to NOT graze livestock on it and then move them to another pasture--the seeds are viable in the manure. Unless the rhyzome of the grass is completely dried out and dead, it can re-sprout. Also make sure any hay brought in does not have johnsongrass in it. Johnsongrass can also be propagated via seeds. Hope this helps. [/QUOTE]
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