Assertion: organic fertilizer | /r/ObjectUse | used in asia
Facets:
value: widely
type: DEGREE
Source sentences:
text: Organic fertilizers have been widely used in tilapia ponds, especially in Asia (Edwards et al., 1994a, 1994b; Shevgoor et al., 1994; Diana, 2012), Central America (Green et al., 1990; Watanabe et al., 2002) and Africa (Njoku and Ejiogu, 1999; Abdelghany and Ahmad, 2002; Mataka and Kang'ombe, 2007;