Food-securitychallengeswillnotbemetbysimplyincreasingpr...
问题详情：Food-securitychallengeswillnotbemetbysimplyincreasingprimaryproduction.ManymostlypoorpeoplelivingindevelopingcountriesdoneedmorecaJoriesandnutrients,andincreasesinproductionarerequiredtosatisf...