Determination of mass balances and ionic balances in animal manure Authors Japenga, J. Harmsen, K. Publication Date Jan 01, 1990 Source Wageningen University and Researchcenter Publications Keywords Anions Biology Cations Farmyard Manure Fractionation Ions Purification Separation Slurries Anionen Biologie Drijfmest Fractionering Ionen Kationen Scheiding Stalmest Zuiveren Language English License Unknown External links Full record on research.wur.nl