ORIGINAL: mossbergman11/OH
i dont think im going to burn now becasue i heard that when you burn it it keeps weed seeds in the dirt or something. that what they said at qdma forums. i may im going to just cut the field, spray with round up. wait a week or so then plow and disk, then broadcast buckwheat, lightly disk in then roll over it. (i heard that buckwheat it weed "resistant" and it takes over the weeds) then in august cut the buckwheat and then disk the field again and then plant my other seed
The weed seeds are there, they will always be there, and there isn't anything you can do to remove them. So don't let that keep you from burning.
And like has already been mentioned, don't do anything to damage the plants if you are going to spray. You want the plants healthy when you spray for best results. And then you want to leave them alone and give the chemical time to act. 1 week is probably not enough.
Also, if you are going to disk, I probably wouldn't worry about spraying unless you have so much growth that you need it dead and dried to get through it with the disk.
And I believe what M.Magis is talking about is anytime you expose the soil to light, some of those weed seeds I mentioned earlier will germinate. Doesn't matter if you burn, plow, or mow. You will get a weed response if there is enough moisture in the soil for germination.