In these areas are generally , small farm growth trees to use them as cut and carry systems . ... tolerance to the salinity and adaptation to different soil types , as well as their nutritious value ( Nefzaoui , 1997 ) .

Farmers would like to increase production of peanuts / beans but most already have no alternative to to working steep slopes ... SALT ( a variation of alley - cropping ) has fulfilled these objectives in other parts of the Philippines ...