3) The results showed that wood vinegar concentration 1:100 in length around the trunk as possible. And concentration of 1:50 in length around the trunk as possible.
3) as a result of experiments found that vinegar wood smoke concentrations 1: 100 with a length of around most stems and concentration 1: 50 in length around the trunk.
3.) from the trial found that wood smoke with white vinegar concentration 1:100 is the length around tree trunks and the most intense 1:50 is the length around tree trunks.