Brute 23 wrote:There is some thing you can spray across the coastal that will kill the Crabgrass and not hurt the coastal. Our guy that boom sprays weed killer did it for us last year and it only cost like $1 or $2 dollars more an acre. Was well worth it in my opinion.
edrsimms wrote:2-4-d amine is a broadleaf weed killer and will not kill crabgrass
ga. prime wrote:edrsimms wrote:2-4-d amine is a broadleaf weed killer and will not kill crabgrass
Even if it did, it would cost a good bit more than 1 or 2 dollars an acre.
BC wrote:We have had luck using glyphosate at 1 pt./acre folowing the first or second cutting. Need to spray before the bermuda greens back up. THat rate is 1/10 the rate to kill bermuda so it is safe to use. Will also work on bahia used the same way.
by edrsimms on Sat Aug 29, 2009 4:40 pm
First of all your County Agent is right as 120 lbs of K/acre is not enough. What is your pH? Normally on bermuda grass pastures we put 200 lbs of K per year (3 to 4 cuttings per yr) although there is no reason to elevate your K unless you have the proper pH. You pH should be around 6.4 optimally and 1 ton of Lime per acre will raise your pH 0.1 per year.
puma wrote:We have had good luck using a pint of 41% glysophate per acre to control the summer annuals like crabgrass in coastal. We normally apply around June 1. Have never seen any damage to coastal and the crabgrass usually does not germinate in our area until mid may or so. Does a pretty good job on grass burrs that have emerged as well. We have also done this on newly sprigged coastal with no damage.
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