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The simplest way to kill plant roots organically is to physically dig them up. Some persistent weeds can re-emerge from the rootlets left in the soil, but if you dig them up again and again eventually they won't have the resources to re-emerge. Another method is called soil solarization, but this can only be used in smaller areas, and it has to be done in the three hottest months of the summer. What you do is till the soil, and remove as much plant matter as possible, then water the area thoroughly, and spread a layer of thick, clear plastic over it, anchoring the edges of the plastic firmly by berming soil over the edges. Leave it on for three months or so, or even longer if you live in a northern climate, and that should completely sterilize the soil.

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Q: How do you kill plant roots organically?
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it will kill the roots


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Yes, boiling water will kill a plant.


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smack it or drown it.


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Glyphosate applied to green plant material will translocate through the plant to the roots and kill the whole structure.


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Putting salt into plant soil will hinder plant growth and even kill the plant by making the soil outside more concentrated than the environment inside of roots. This stops the absorption of water and minerals by the roots.


Why do you think that salt will kill a plant?

Salt will suck the moisture out of the plant roots, and the upper part of the plant cannot get enough water, so it dies.


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yes it will. it will burn right through the roots and suffocate the plant


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the roots of a plant is what is under the ground and makes the plant grow :)


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