All-natural herbicide ?
Answers:
Orange oil & 20% vinegar in equal parts.
Other answers:
juglone is a respiratory inhibitor and occurs naturally in the black walnut tree, but it does not effect all plant material, I can't think of any natural commercial products.
juglone is a respiratory inhibitor and occurs naturally in the black walnut tree, but it does not effect all plant material, I can't think of any natural commercial products.
white vinegar
Goats... 8 of them per acre! Some people also use baking soda, vinegar, you could always use your hands, that will give you 100% weed control!