There really aren’tt any other systemic weed killers available to the public. To be honest you don’t really need them much in a garden. Good cultivation, Hoeing , mulching hand weeding flame guns etc will generally suffice for most weeds. Plenty of household chemicals such as salt, bleach, vinegar and even boiling water will kill weeds but they are not long lasting solutions ansd some like salt will have long lasting toxicity.
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