Proceedings of the International Fertiliser Society

3 primary works

Fertiliser Value of Organic Manures in the UK

by K A Smith and R. J. Unwin

Published 31 December 1983

Losses of Nitrogen by Denitrification and Emissions of Nitrogen Oxides from Soils

by K A Smith and J.R.M. Arah

Published 31 December 1990

Soil Protection Through Good Agricultural Practice

by R. J. Unwin

Published 31 December 1994