Energy use in conventional and organic farming systems /
Corré, W. J.
Schröder, J. J.(Jaap J.)
Verhagen, A.
International Fertiliser Society.
York : International Fertiliser Society,
c2003.
"Paper presented to the International Fertiliser Society at a meeting in London, on 3rd April 2003"-T.p.
Includes bibliographical references.
Agriculture
Agricultural systems