Article : Rapidly-Cut Swales with Tractor Blade - Permaculturenews.org Posted August 7, 2015 by Bill Wilson & filed under Design, Earthworks & Earth Resources, General, Land, Surveying, Swales. We are making early progress on our 320-acre Missouri permaculture-farm project ( Practical Solutions Categories Swales and contours Article : Rapidly-Cut Swales with Tractor Blade - Permaculturenews.org Copied to clipboard