R. Vriesema

Effect of sewage sludge on trace element mobility in soils

R. Gerritse, J. Dalenberg, H. P. Roos, 1982 .

Phosphate distribution in animal waste slurries

R. Gerritse, R. Vriesema, 1984, The Journal of Agricultural Science.

Organic phosphorus in solutions and leachates from soils treated with animal slurries

Oene Oenema, W. J. Chardon, D. Blaauw, 1997 .

Ammonia volatilization from arable land after application of cattle slurry. 1. Field estimates

W. Chardon, J. Molen, M. Leclerc, 1990 .