Sauyin yanayi da saurin karuwar jama'a sun zama manyan kalubale ga samar da abinci a duniya.Wata mafita mai ban sha'awa ita ce amfani da masu kula da haɓakar shuka (PGRs) don haɓaka yawan amfanin gona da shawo kan yanayin girma mara kyau kamar yanayin hamada.Kwanan nan, carotenoid zaxin ...
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