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| I used round-up on my mixed lawn of kikuyu and bermuda and god-knows-what-else here in San Pedro, Southern CA. Then I tore all the dead stuff out, roto-tilled the area and installed sprinklers. I've been watering every other day for about 2 weeks and some grass shoots are starting to come up, so I just used round-up again. I'm looking at getting some marathon II sod in the next week.... Should I wait and see if anything else comes up before I lay the sod? How long should I wait to put sod down after an application of round-up?
Thanks, Andy |
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| I would be more concerned with soil amendment now rather than a few stray sprouts. Also, make sure you wait until roundup has subsided. When I did a similar project in Michigan, nothing came up through the sod, which was KBgrass. While I did do some soil improvement, I regret not doing more when I had the chance. |
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- Posted by dchall_san_antonio 8 San Antonio (My Page) on Sun, Sep 25, 11 at 2:33
| Yeah, mondo, the problem though is kikuyu and bermuda are possibly the two most invasive grasses in the world. Kikuyu would grow over pavement if the government would let it. If there is one piece of living kikuyu or bermuda, elbeardo will end up with a weed lawn again. Yes, conditioning the soil is important but it can be done at any time simply by mixing up the fertilizer schedule with some organic fertilizer. Chemical fertilizer should not be used in the summer, so use organic fertilizer during the summer. Having said that, in San Pedro elbeardo can get away with using chemical ferts in the summer because San Pedro rarely gets hot in the summer. But if you want to improve your soil, applying organic fertilizer is the fastest way. I would probably start with Purina Rabbit Chow (alfalfa pellets) at a rate of 20 pounds per 1,000 square feet. Do that every month from 4th of July through Labor Day. Then around Thanksgiving you can go back to chemicals to winterize. You should be able to do anything with the soil a week after RoundUp. Since you rototilled, look for the soil to become bumpier and bumpier for the next two years. Wait that long before you get fed up with it and want to level it. Then come back here for advice as to how to do that. Rototilling leads to bumpy lawns (almost) every time. |
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