Very informative to compare experiences, processes and evolution of the author of my vegetable garden with about 400 m2 including a worked portion "natural." Region and different climate, but partially similar practices in sandy soil. A must read! But caters for gardeners / farmers warned. See also: Gardening Tips S. Brown. As my maternal grandfather (1894-1985), the garden, we learn at any age and in any season. s / BD 1440 Belgium.