Efficient slurry fertilisation

by Vetter, H., FAO, Rome (Italy). Regional Office for Europe eng, European Cooperative Research Network on Animal Waste Utilization. Consultation eng 25-28 Sep 1990 Bologna (Italy), Lorenz, F. (Landwirtschaftliche Untersuchungs- und Forschungsanstalt der Landwirtschaftskammer Weser-Ems, Oldenburg (Germany)), Hall, J. (ed.), Centro Ricerche Produzioni Animali, Reggio Emilia (Italy) oth
Published 1991