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Miyako Island depends entirely on groundwater, which has been contaminated by chemical pesticides from agriculture. To address this, we tested Bacillus thuringiensis (strain 22) and bagasse charcoal from sugarcane waste. The charcoal absorbs pesticides, and the bacteria degrade them while also producing insecticidal proteins. Field tests showed improved crop germination without chemical pesticides, suggesting a sustainable and safe alternative. We aim to promote this method locally and globally. |
We asked the city to set up a "high-function activated carbon treatment plant" at the water purification plant, but we couldn't. Therefore, in order to adsorb and retain chemical pesticide components and prevent leakage into groundwater, we started a chemical pesticide adsorption and degrade test using baggas charcoal similar to charcoal.
