Ken Yeomans Planning for Sustainable Agriculture Keyline is a set of principles, techniques and systems, which form the logical basis for a practical plan for the sustainable development of rural and urban landscapes. The first book on Keyline book was published in 1954. In it, P.A. Yeomans exploded the myth that it takes 1, 000 years to produce an inch of topsoil. Yeomans pioneered, among other ...

Digital by Design Pty Ltd, builds, supplies and maintains professional editing, compositing and animation systems and software for the broadcast, web streaming and video industry throughout Australia, including products from DPS, Discreet Logic and Digital Fusion.