1.
The use of soil nutrient balances in deriving forest biomass harvesting guidelines specific to region, tree species and soil type in the Netherlands
2.
Comparison of nitrogen and phosphorus fluxes in some European fens and floodplains
3.
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5.
Impacts of harvesting methods on nutrient removal in Dutch forests exposed to high-nitrogen deposition
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8.
Resource management in a 'De Marke' dairy farming system = Het benutten van grondstoffen op een "De Marke' melkveebedrijf