Peters, Dai; Tinh, Nguyen; Hoan, Mai; Yen, Nguyen; … - In: Agriculture and Human Values 22 (2005) 1, pp. 73-85
Sweetpotato-pig production is an important system that generates income, utilizes unmarketable crops, and provides manure for soil fertility maintenance. This system is widely practiced from Asia to Africa, with many local variations. Within this system, pigs are generally fed a low...