biofortfied food crops
... that the cultivation of biofortfied food crops has occasionally faced resistance because they sometimes have different characteristics, such as unusual colours?
... that the <a href="./Agriculture" id="mwFRc" rel="mw:WikiLink" title="Agriculture">cultivation</a> of <b id="mwFRg"><a href="./Biofortification" id="mwFRk" rel="mw:WikiLink" title="Biofortification">biofortfied food crops</a></b> has occasionally faced resistance because they sometimes have different characteristics, such as unusual colours?