Research question: How has nitrogen pressure on farmland changed in three EU countries, and what drove the change?
All values are kg of nitrogen per hectare of utilised agricultural area (Eurostat, aei_pr_gnb).
Key findings
2000-2014: the gross nitrogen balance changed by -33.2% in the Netherlands, -39.4% in Denmark and -52.8% in Germany. Inputs changed by -18.0%, -15.0% and -11.5% respectively.
2016-2023 (Denmark has no data): Germany's inputs changed by -24.6% and its gross balance by -62.6%. The Netherlands' inputs changed by -5.4% and its gross balance by -31.7%.
Implied crop removal, 2016-2023 (derived): +42.0 kg N/ha in the Netherlands and -8.8 kg N/ha in Germany. Because the balance is inputs minus outputs, a rise in removal lowers the balance even if inputs do not fall.
Change over fair comparison windows
Window
Indicator
Country
Start
End
Change
Change %
2000-2014
Gross balance
Netherlands
253.9
169.7
-84.2
-33.2
2000-2014
Gross balance
Denmark
131.7
79.8
-51.9
-39.4
2000-2014
Gross balance
Germany
110.0
51.9
-58.1
-52.8
2000-2014
Inputs
Netherlands
460.7
377.9
-82.8
-18.0
2000-2014
Inputs
Denmark
238.6
202.7
-35.9
-15.0
2000-2014
Inputs
Germany
236.0
208.8
-27.2
-11.5
2000-2014
Net balance
Netherlands
172.5
106.0
-66.5
n/a
2000-2014
Net balance
Denmark
97.5
53.4
-44.1
n/a
2000-2014
Net balance
Germany
73.8
14.0
-59.8
n/a
2016-2023
Gross balance
Netherlands
200.4
136.8
-63.6
-31.7
2016-2023
Gross balance
Germany
69.7
26.1
-43.6
-62.6
2016-2023
Inputs
Netherlands
397.8
376.2
-21.6
-5.4
2016-2023
Inputs
Germany
212.6
160.2
-52.4
-24.6
2016-2023
Net balance
Netherlands
134.0
77.6
-56.4
n/a
2016-2023
Net balance
Germany
32.3
-2.2
-34.5
n/a
Implied nitrogen removed in crops (derived)
Calculated as inputs minus gross balance, because the balance is inputs minus outputs.
Window
Country
Start (kg N/ha)
End (kg N/ha)
Change
2000-2014
Netherlands
206.8
208.2
1.4
2000-2014
Denmark
106.9
122.9
16.0
2000-2014
Germany
126.0
156.9
30.9
2016-2023
Netherlands
197.4
239.4
42.0
2016-2023
Germany
142.9
134.1
-8.8
Contrast: fertiliser use in Nigeria
Fertiliser consumption per hectare of arable land, all nutrients (FAO data via the World Bank), 2000 to 2023. In 2023, Nigeria's figure was 8.2 kg/ha, and the three European countries were between 14 and 30 times higher. Nigeria's own series ranges from 4.3 to 23.0 kg/ha across these years. This measure covers all nutrients, not only nitrogen, so it is not comparable with the Eurostat charts above. It shows how much fertiliser is applied, not crop yields or soil health.
Country
kg/ha in 2023
Multiple of Nigeria
Denmark
113.6
13.9
Germany
134.6
16.5
Netherlands
248.9
30.5
Nigeria
8.2
1.0
Policy context
Netherlands: a national strategy reported in June and July 2026 sets reduction targets for agriculture of 23-25% by 2030 and 42-46% by 2035, compared with 2019 levels. News reports describe these as nitrogen emissions and, in some cases, ammonia emissions, so the exact pollutant should be checked in the official strategy.
Denmark: a law passed on 3 September 2026 (passed 119 to 34) takes effect on 1 January 2027. It regulates the nitrogen that actually reaches water instead of limiting it field by field.
Germany: the federal sustainability target is a nitrogen surplus of 70 kg N/ha per year (five-year average for 2026-2030), measured on Germany's national farm-gate balance, which is a different method from the Eurostat figures above and cannot be compared with them directly. The Federal Environment Agency reports the target was reached for the first time in 2023. On 29 April 2026 the cabinet approved an amendment to the Fertiliser Act with a "polluter-pays" approach and nationwide impact monitoring. It would remove the farm-level nutrient balance rule from the law. The Bundestag held its first reading on 11 June 2026 and an expert hearing on 8 September 2026, and no final vote was recorded when this page was built. In October 2025 the Federal Administrative Court found that the federal rule for designating nitrate-polluted "red areas" was too imprecise (written reasons published in January 2026), and several states suspended the extra fertilising rules.
Policy statements come from news reports and government summaries and should be checked against the official documents before citing.
Method
Data were downloaded from the Eurostat dissemination API (dataset aei_pr_gnb; nutrient N; indicators BAL_UAA, INP_UAA, BAL_NET_UAA) and the World Bank API (AG.CON.FERT.ZS), and analysed in Python with pandas. Changes are compared only over windows where the countries have data, so each country is measured over the same years.
Limits
Denmark's Eurostat series ends in 2014 (inputs) and 2015 (gross balance). The Netherlands has no gross balance values for: 2020 and 2021. The German series begins in 1990 for the former West German territory (Eurostat labelling), so its earliest values are not like for like. Single-year values vary with weather and harvest, so end-year comparisons are sensitive to the year chosen. Large changes in implied crop removal (for example in the Netherlands between 2016 and 2023) may reflect real changes or revisions in how Eurostat compiles the data, and this analysis cannot tell which. The gross nitrogen balance is a potential surplus, not measured pollution, and it is a different measure from the Dutch emission targets and from Germany's national surplus target. This analysis describes trends and does not show that any policy caused them.
Sources
Data (retrieved 03 November 2026 and 03 November 2026)
Eurostat, dataset aei_pr_gnb, gross nutrient balance on agricultural land.
FAO fertiliser consumption via the World Bank, AG.CON.FERT.ZS. Nigeria's series varies sharply between years, so read single-year values with caution.
Policy context (news reports and government summaries; check the official documents before citing)