- 1). Fill a watering pot with water and add a 7 to 10 percent solution of organic herbicide to the water. For every gallon of water used, add approximately ¾ cup of organic herbicide. Mix well.
- 2). Pour the solution on the unwanted gingerroot; make sure to saturate the plant thoroughly. Be careful not to get any of the solution on plants or flowers that you may want to keep.
- 3). Repeat the application of organic herbicide solution every few days, until the desired results are achieved.
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