Transformation and sustainability in agriculture : connecting practice with social theory / edited by Sietze Vellema. Transformation and sustainability in agriculture Vellema, Sietze. Sustainable agriculture Netherlands. S494.5.S86 T73 2011eb 630 TRA Includes bibliographical references. The Netherlands : Wageningen Academic Publishers, 2011. 2011. 2011 Text 167 p. eng Netherlands.