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Options to accelerate ozone recovery: ozone and climate benefits

Hypothetical reductions in future emissions of ozone-depleting substances (ODSs) and N 2 O are evaluated in terms of effects on equivalent effective stratospheric chlorine (EESC), globally-averaged…

Global Nutrient Export from WaterSheds 2 (NEWS 2): Model development and implementation

NEWS 2 can be used as an effective tool to examine the impact of polices to reduce coastal eutrophication at regional to global scales. Continued enhancements will focus on the incorporation of other…

Global river nutrient export: A scenario analysis of past and future trend

Synthesis of the Global Nutrient export from Watersheds project.

Increasing anthropogenic nitrogen inputs and riverine DIN exports from the Changjiang River basin

Our result indicates that anthropogenically enhanced N inputs dominate and will continue to dominate river DIN yields under changing human pressures in the basin. Therefore, nitrogen pollution is and…

Consequences of the cultivation of energy crops for the global nitrogen cycle

We quantified the impact of the production of energy crops on the global N cycle for the recently published OECD “Global cooperation for environmental policy” (GC) scenario. We project that large…

Global nitrogen and phosphate in urban wastewater for the period 1970 to 2050

This paper constitutes the first spatially explicit, global assessment of sewage N and P emissions to surface water for the period 1970 to 2000, and the first projection of such N and P emissions for…

Permissible manure and fertilizer use in dairy farming systems on sandy soils in The Netherlands to comply with the Nitrates Directive target

Based on experimental data, this study explores the limits on the use of cattle slurry and mineral fertilizer in grass and silage maize. Cut grasslands can utilize cattle slurry up to 340 kg nitrogen…
Publication

Permissible manure and fertilizer use in dairy farming systems on sandy soils in The Netherlands to comply with the Nitrates Directive target

From the point of view of N leaching and P accumulation, manure rates should be determined by (i) the harvest regime of the grass, (ii) the proportions of grass and maize in the farm area and the way…

Interim evaluation of the Dutch crop protection policy

Crop protection methods in the Netherlands have become more sustainable since 1998 as a result of efforts made by growers. However, at the moment the environmental quality of surface waters does not…

Interim Evaluation of the Policy Document On Sustainable Crop Protection

Crop protection methods in the Netherlands have become more sustainable since 1998 as a result of efforts made by growers. However, at the moment the environmental quality of surface waters does not…