文章基本信息

标题：ROOTS AND TUBERS FOR THE 21st CENTURY: TRENDS, PROJECTIONS, AND POLICY OPTIONS
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作者：Scott, Gregory ; Rosegrant, Mark W. ; Ringler, Claudia 等
期刊名称：Journal of Food Distribution Research
印刷版ISSN：0047-245X
出版年度：2000
期号：SUPPL
出版社：Food Distribution Research Society
摘要：The ma jor roots and tu bers—cas sava, po tato, sweet po tato,and yam—play a sig nifi cant role in the global food sys tem.They con trib ute to the en ergy and nu tri tion re quire ments ofmore than 2 bil lion peo ple in de vel op ing coun tries and willcon tinue to do so over the next two dec ades. They are pro -duced and con sumed by many of the world's poor est andmost food- insecure house holds. Roots and tu bers also con -sti tute an im por tant source of em ploy ment and in come in ru -ral, and of ten mar ginal, ar eas, and for women. Moreo ver,they adapt to a wide range of uses: food se cu rity crop, regu lar food crop (con sumed in fresh or proc essed form), cash crop,feed crop, and raw ma te rial for in dus trial uses. In deed, cas -sava, po tato, and sweet po tato rank among the top 10 foodcrops pro duced in de vel op ing coun tries.