00893cam a2200229 a 4500020001800000020001500018040000800033082002600041245007400067260007600141300004100217500010100258500002200359650001700381650001600398650003100414650003000445700002100475710006100496710006100557856004500618 a9789251069035 a9251069034 cDLC a368 FOO 2011 A015 Or.00aLooking ahead in world food and agriculture :bperspectives to 2050 / aRome :bFood and Agriculture Organization of the United nations,c2011. axviii, 539 p. :bcol. ill. ;c24 cm. a"Agricultural Development Economic Division, Economic and Social Development Department"--Cover. aCollected essays. 0aFood supply. 0aFood supply 0aAgricultural productivity. 0aAgricultural productivity1 aConforti, Piero.2 aFood and Agriculture Organization of the United Nations.2 aFood and Agriculture Organization of the United Nations.41uwww.fao.org/docrep/014/i2280e/i2280e.pdf