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Roundup.
If you are skittish about using chemicals, you are either gonna have to dig it up (depends on the amount you are talking about) or turn it under DEEP. Johnsongrass spreads thru rhizomes, so the best way to spread it is to till it (which cuts the rhizomes and spreads them around).
Wiki User
∙ 15y ago
Wiki User
∙ 10y agoHerbicides used to control weeds in a production sunflower field (such as a dove field) include the following:
- Dual Magnum controls seedling johnsongrass
- Prowl 3.3EC or Pendimax 3.3EC controls seedling johnsongrass
- Sonalan HFP
- Treflan HFP, Trilin, Trifluralin 4EC
When you have sunflowers standing in Johnsongrass, Select herbicide has been effective. HOWEVER, you have to know your variety of sunflower, because some are intolerant to any herbicide.
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What is the difference between stitch grass and Johnson grass?
one is yellow and the other is pink
How do I kill grass growing around my perrienels?
An herbicide that is specially designed to kill grass will kill the grass growing around your perennials. Be sure to read the label carefully to ensure that it is for grass and will not harm your other plants.
Why is it that weed killers do not kill grass?
Selective weedkillers will only kill the targeted weeds. Total weedkillers will kill all green plants. Therefore if the weedkiller does not kill grass but other weeds in the grass, it is a selective weedkiller.
How can you get rid of Johnson Grass that is in a yard with Saint Augustine grass?
how do i get rid of johnson grass in my lawn?
Does grass kill plants?
There is certain types of grass that kill plants, but normal yard grass will not, it also depends on the plants. But usually its the weeds that kill the plants, not the grass.
Can a blade of grass kill you in a tornado?
A blade of grass cannot kill you, even in a tornado, but the tornado can kill you.
Will you kill the grass when you drain the pool?
yes because the chemcials will kill the grass or at least discolor it.
Does cat feces and urine kill your grass?
Yes, the acid from the cat urine will kill grass.
Will manure promote grass growing and kill weeds?
it will make your grass grow but it will not kill weeds=)
How do you kill Bermuda grass?
How can bermuda grass be removed?
Can horses eat cane grass?
Cane grass is a type of Johnson grass. Ingestion of this grass can cause Photosensensitivity, Neuropathy, Teatogenesis, Nitrate intoxication, And Cyanide poisoning. It is recommended that you eradicate any type of Johnson Grass from any pasture that a horse will be grazing on.
Does rice kill grass?
No, rice will not actually kill live grass. However, rice will deter insects and small rodents from eating your grass.
