Need help for total kill

You could hire my wife to take care of it. She can fertilize, water and care for Johnson Grass and it will be dead within two weeks.:D
 
The stuff you are whacking down is probably coming back up through coppice method ROOT SPROUTS, The more you kill it the thicker it comes back. If it hardwoods your having trouble with you have to remember they most likely share one very large root system.

On the bigger woody plants try to girdle them by cutting down to the cambium layer or the light green layer under the bark all the way around then spraying the wound. You want to use a product that is systemic or will be absorbed and taken to the roots. And when you cut it down spray all the open wounds and keep up with it. If you have been using Round UP for a while the plants may have developed a resistance.
 
The 3 gallon jugs (or 30 gallon barrels) of gly are usually 41%. Roundup super concentrate is 50%.

41% gly is cheapest way out, but if you use it undiluted, expect a 20-24 month timeout of grass and such regrowth.

2,4-d Ester version should solve your problem, but be aware that it migrates in the soil and can harm nearby desirable growth.

I use ester on weedy stuff, and Crossbow diluted 6 to 1 on stumps and wild rose bushes.

I had not idea the Roundup super was that strong. I've never had a problem with killing stuff the the gly mixtures. The only time I've used it straight is to out on stumps and cut off privet to kill it totally.

You're right about the collateral damages with the stronger mixtures.
 
I could ask my sister to send you some of her homemade habanero hot sauce. But then you'd have the fire hazard thing again.

On a more serious note, is it land that's susceptible to plowing? I'm wondering if turning it over before applying herbicide might be effective. But I'm definitely no expert. It's just something I've seen a couple of acquaintances do.
 
Crossbow !!! Herbicide for the thicker stuff.
It will kill what Round-up only stunts for awhile.
My buddy uses it on his farm and swears by it.

Chuck
 
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