reporter: auaugustine says the onlyly way he's stayayed in buss is by y diversifyingng.e has his own feed plant. augustine:t mamakes our costss come dowa little bit, so thatt we c sell to o n numerous stomers at a reasonable price. t costst for farmers. eueurope subsidizes it, viving s stomerfarmerers an advantatage.t and ththe e.u. hasas a raft ofe trade deals with africa,hahat ve b both des frfree access too markets, butut african comompas are e too small toto compet. flororence: if ghahana, the government o of ghana, canan do something about it, , the cal markets, butut african comompas one, s so thate reproducinpet. gha,a, ande eat t ana food,, ghanprododuc, i thinink would be good for r us. reporter: the government has announced new import restrictions, and says now local producers need to step up to the plate. but which producers? there are hardly any left. augugustine: this s is the worke enen doing since 1992 to catatr for family. so if europepean imported d chn spspls this business or collaps s it, i n't t knowhat america. urban gardening is growing increasingly