TY - BOOK AU - Smale, Melinda TI - Valuing crop biodiversity : on-farm genetic resources and economic change SN - 9780851990835 SN - 200500272 U1 - 631.523 SMA PY - 2006/// CY - Wallingford PB - CABI Pub KW - Agricultural innovations KW - Crops - Germplasm resources KW - Crops - Germplasm resources - Economic aspects KW - Farms, Small KW - Plant diversity conservation KW - Plant diversity conservation - Economic aspects N1 - Includes bibliographical references and index ER -