Wood vinegar is a non-toxic pest repellant and foliar nutrient that can also be used to improve soil. You can make it at home using commonly available items; here's how to do it!
What is wood vinegar? Here are some KZread links:
• What is Wood Vinegar? ... New life wood vinegar USA 1 min
• How to Use Wood Vinega... Natural Health Remedies 8 min
• Salad trial #2 - Wood ... Carbon zero salad trial 4 min