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Vol. 29 No. 1 (1981)
Vol. 29 No. 1 (1981)
Published:
1981-02-01
Papers
Methods for the recovery of nutrients and energy from swine manure. 1. Biogas.
L. Boersma, E. Gasper, J.E. Oldfield, P.R. Cheeke
3-14
PDF
Pretreatment of soil samples before NO3-N analysis.
T. Breimer, J.H.G. Slangen
15-22
PDF
Chemical element detection in thin sections of soils with the Laser Microprobe Mass Analyzer (LAMMA 500).
E.B.A. Bisdom, S. Henstra, A. Jongerius, H.J. Heinen, S. Meier
23-36
PDF
Nitrate poisoning in cattle. 6. Tungsten (wolfram) as a prophylactic against nitrate-nitrite intoxication in ruminants.
A. Korzeniowski, J.H. Geurink, A. Kemp
37-47
PDF
Results of municipal waste compost research over more than fifty years at the Institute for Soil Fertility at Haren/Groningen, the Netherlands.
S. de Haan
49-61
PDF
The anearobic digestion of organic matter in sugar-beet mud
M.G. Keizer, F.A.M. de Haan, J.J.C. Blom, J.W.M. Knaapen
63-77
PDF
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