Sustainable dryland farming combining farmer innovation and medic pasture in a mediterranean climate chatterton lynne chatterton brian 9780521331418 books amazonca. Sustainable dryland farming combining farmer innovation and medic pasture in a mediterranean climate chatterton lynne chatterton brian 9780511470844 books amazonca. Sustainable dryland farming combining farmer innovation and medic pasture in a mediterranean climate chatterton lynne chatterton brian 9780521337410 books amazonca. sustainable dryland farming combining farmer innovation and medic pasture in a mediterranean climate by chatterton l author paperback 2005 chatterton l books amazonca. Sheep and wheat are the staples of dryland farms in the mediterranean zone of the northern hemisphere the commonly used dryland farming system introduced in the 1950s is proving unsustainable erosion has reached a critical level and pastures have all but disappeared experts advise more cropping forage crops for instance and more fertilizer