News Nitrogen

Analysis of nitrogen data RIVM takes weeks

13 January 2020 - Redactie Boerenbusiness - 1 reaction

The analysis of the nitrogen data released by RIVM will take several weeks. This is reported by the Mesdag Dairy Fund and Nitrogen Claim foundations. According to them, an initial inventory shows that the data is 'extremely useful.'

However, that says nothing about the results of the research, the organizations hasten to state in a joint statement. After much toil, also legal, Mesdag Dairy Fund and Nitrogen Claim got their hands on the complete data set just after the turn of the year. They are now having a team of specialists look at it, and the Aerius/OPS calculation model is also being examined. This model is the basis on which the government has based all its nitrogen policy to date.

Answering questions
"The first conclusion is that RIVM has provided excellent usable data, which is easy to work with thanks to the required detailed information and the supplied instructions for use," report the Mesdag Dairy Fund and Nitrogen Claim. According to the research team, the core questions of the organizations can thus be answered. These concern: are all sources sufficiently identified, is the model suitable for the nitrogen policy that is currently being formulated and what share do the sources have in the Natura 2000 area?

The full analysis is expected to take several weeks and no further information about the investigation will be provided in the meantime. "This is also because the team first wants to submit the questions it encounters along the way to RIVM."

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Comments
1 reaction
Flip 15 January 2020
This is in response to it Boerenbusiness article:
[url=http://www.boerenbusiness.nl/mest/artikel/10885272/analyse-stikstofdata-rivm-durt-weeks]Analysis of RIVM nitrogen data takes weeks[/url]
In the nitrogen debate I read nothing about the two hot and dry summers that we have had.
We used to do an N survey in February on the plot where the sugar beets were grown in that year, this was necessary because the N stock was often different. After a somewhat drier summer and autumn, much more was left of the last N dose than usual. Since the beet varieties at that time showed a higher production in kg of beet when there was too much nitrogen, but we fertilized a much lower percentage of sugar according to advice, it sometimes happened that nothing was spread.

I strongly suspect that when we get a few wetter years, the nitrogen in the soil will be greatly reduced. When this is going to be measured, it will be said that it is due to the measures taken.

In the 90's we had the phenomenon of acid rain, we haven't heard anything about it for the last 20 years....
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