Save and grow : a policymaker's guide to sustainable intensification of smallholder crop production / - Rome : Food and Agriculture Organization of the United Nations, 2011. - x, 102 p. : col. ill. ; 26 cm. ISBN: 9789251068717 9251068712 Subjects--Topical Terms: Agricultural productivity.Agriculture and state.Agricultural systems.Farms, Small.Sustainable agriculture. Dewey Class. No.: 338 FOO 2011 A077 Or.