Can organic farming feed the world? : a contribution to the debate on the ability of organic farming systems to provide sustainable supplies of food /
Goulding, Keith W.T.
Trewavas, Anthony J.,joint author.
Giller, Ken,1956-,joint author.
York : International Fertiliser Society,
c2009.
Paper presented to the International Fertiliser Society at a conference in Cambridge, on 11th December 2009.