Hi All   First post so please be gentle!   Has anyone out there got any experience of using Eco-Plugs for chemical felling purposes? I understand that the herbicide needs to get in to the cambium which is easily achieved when drilling into a stump as you can obviously just drill vertically down into it. However, on a live tree you cant do this, your holes will always be at an angle.   This poses two questions; 1) will you achieve the right depth for the plug to be a