R Hasting wrote:Jennifer, why do you think that a zai pit would not work on slope? The guys in Africa who are doing this are doing it on flatter land because it is what they have, and it can be done with a stick or a shovel.
I would never do zai on flat land. That is why God invented backhoes for swales.
Jennifer Wadsworth wrote:Miles - do you mean felling the trees and putting them along contour?
Jennifer Wadsworth wrote:Nice photo, Dale. I always kick myself for not taking "before" shots. You just can't go back and recreate "before"....sigh.
Patrick Mann wrote:--Berm and basin/swales - good for sloped land UP TO 3:1, 18 degrees or 32.5% grade
--Terrace - good for sloped land UP TO 2:1, 26 degrees or 48.8% grade
Why is terracing applicable to steeper slopes than berming? I would have expected the opposite. Unless terracing implies retention walls.