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Gross nitrogen balance

External Data Spec Published 30 May 2018

1 min read

Topics: Agriculture , Biodiversity — Ecosystems ,

Gross nutrient balance (aei_pr_gnb)

Provider:: Statistical Office of the European Union (Eurostat)
Dataset URL:: http://appsso.eurostat.ec.europa.eu/nui/show.do?dataset=aei_pr_gnb&lang=en
Other comments:: Select nitrogen in the combobox

Related content

Indicators using this data

Agriculture: nitrogen balance

Agriculture: nitrogen balance The indicator estimates the potential surplus (or deficit) of nitrogen in agricultural land. It calculates the balance between nitrogen added to an agricultural system and nitrogen removed from the system annually in kilograms of nitrogen per hectare of utilised agricultural area. The input side of the balance counts mineral fertiliser application and manure excretion as well as atmospheric deposition, biological fixation and biosolids (compost, sludge and sewage) input. The output side of the balance represents the removal from grassland (grazing and mowing) and the net crop uptake (removal) from arable land. The gross nitrogen balance takes an 'extended soil' surface (or 'land' surface) as the system boundary, meaning that it also includes nitrogen losses from animal housing and manure management (e.g. storage) systems. The data used are partly based on expert estimates of various physical parameters for the individual countries as a whole. There may also be large regional variations within a country so national figures should be interpreted with care. To assess the trend in the development of the nitrogen balance, it is necessary to draw on average values over several years, as factors such as extreme weather conditions may influence the annual nitrogen surplus. In this case, 2000-2003, and 2011-2014 were taken as reference periods.

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For references, please go to https://www.eea.europa.eu/data-and-maps/data/external/gross-nitrogen-balance-eurostat or scan the QR code.

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