Evidence review indicates a re-think on the impact of organic inputs and soil organic matter on crop yield /
Hijbeek, R.,author.
Ittersum, M. K. van(Martin K.),author.
Ten Berge, H.,author.
Whitmore, A. P.(Andy P.),author.
International Fertiliser Society,publisher.
"Paper presented to the International Fertiliser Society at a conference in Cambridge, UK, on 7th December 2018."