Zoekresultaten
Resultaat 1 - 4 (van 4)
G.L. Velthof | H.G. van der Meer | H.F.M. Aarts Some environmental aspects of grassland cultivation
the effects of ploughing depth, grassland age, and nitrogen demand of subsequent crops
Non-fictie
Engels | 27 pagina's | Alterra, Green World Research, Wageningen | 2002
Gedrukt boek
G.L. Velthof | Oene Oenema Effects of ageing and cultivation of grassland on soil nitrogen
Non-fictie
Engels | 55 pagina's | Alterra, Green World Research, Wageningen | 2001
Gedrukt boek
G.L. Velthof Nitrous oxide emission from intensively managed grasslands
Non-fictie
Engels | 195 pagina's | 1997
Gedrukt boek
G.L. Velthof | Oene Oenema Effects of nitrogen fertilization and grazing on the emission of nitrous oxide from grassland
Non-fictie
Engels | 107 pagina's | NRP Programme Office, Bilthoven | 1995
Gedrukt boek