1:Mapangidwe a mankhwala a herbicides m'minda ya tirigu akusinthidwa nthawi zonse, kuchokera kumtundu umodzi wa trinuron-methyl kupita ku gulu kapena kukonzekera kophatikizana kwa trinuron-methyl, butyl ester, ethyl carboxylate, chlorofluoropyridine, carfentrazone-ethyl, ndi zina zambiri. rola...
Werengani zambiri