Nitrogen use efficiency in Sri Lanka
Sri Lanka: Nitrogen use efficiency was 20.1% in 2014. ▼ Falling
Nitrogen use efficiency in Sri Lanka, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
In 2014, nitrogen use efficiency in Sri Lanka stood at 20.1%.
Compared with earlier readings it is down 40.9% on the previous year and up 2.8% over ten years.
Over the whole period, nitrogen use efficiency in Sri Lanka peaked at 34.0% in 2013 and was at its lowest, 17.9%, in 2002.
That places Sri Lanka 163rd out of 205 countries with data for 2014, putting it in the bottom quarter.
The long-run direction has been consistently falling across the 54 years of available data.
Nitrogen use efficiency in Sri Lanka, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 25.4% | — |
| 1962 | 24.9% | -2.1% |
| 1963 | 25.4% | +2.1% |
| 1964 | 23.5% | -7.6% |
| 1965 | 20.7% | -12.0% |
| 1966 | 21.8% | +5.6% |
| 1967 | 25.2% | +15.5% |
| 1968 | 24.2% | -3.9% |
| 1969 | 26.5% | +9.5% |
| 1970 | 26.5% | +0.1% |
| 1971 | 23.8% | -10.2% |
| 1972 | 25.2% | +5.9% |
| 1973 | 22.7% | -9.8% |
| 1974 | 24.8% | +9.1% |
| 1975 | 28.6% | +15.3% |
| 1976 | 25.3% | -11.5% |
| 1977 | 24.2% | -4.5% |
| 1978 | 23.7% | -2.0% |
| 1979 | 25.8% | +8.8% |
| 1980 | 24.0% | -6.9% |
| 1981 | 26.8% | +11.5% |
| 1982 | 27.0% | +0.8% |
| 1983 | 28.0% | +3.9% |
| 1984 | 23.4% | -16.5% |
| 1985 | 25.2% | +7.6% |
| 1986 | 25.8% | +2.6% |
| 1987 | 21.6% | -16.3% |
| 1988 | 22.7% | +4.8% |
| 1989 | 20.7% | -8.7% |
| 1990 | 25.3% | +22.4% |
| 1991 | 24.5% | -3.3% |
| 1992 | 22.2% | -9.4% |
| 1993 | 22.0% | -1.0% |
| 1994 | 22.0% | +0.2% |
| 1995 | 23.7% | +7.6% |
| 1996 | 20.5% | -13.7% |
| 1997 | 20.9% | +2.2% |
| 1998 | 21.5% | +3.0% |
| 1999 | 20.1% | -6.6% |
| 2000 | 21.3% | +5.8% |
| 2001 | 20.0% | -5.8% |
| 2002 | 17.9% | -10.6% |
| 2003 | 22.0% | +22.9% |
| 2004 | 19.6% | -11.1% |
| 2005 | 20.0% | +2.2% |
| 2006 | 21.3% | +6.5% |
| 2007 | 22.1% | +4.1% |
| 2008 | 20.8% | -6.3% |
| 2009 | 22.5% | +8.2% |
| 2010 | 26.6% | +18.3% |
| 2011 | 20.7% | -22.0% |
| 2012 | 25.3% | +22.3% |
| 2013 | 34.0% | +34.3% |
| 2014 | 20.1% | -40.9% |
Sri Lanka compared with similar countries
- Sri Lanka's 20.1% is below the median for upper middle income countries, which is 38.2%, 53% of the median. (57 countries reporting)
- Sri Lanka's 20.1% is below the median for South Asia, which is 31.2%, 65% of the median. (6 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 24.2% | 20.7% | 26.5% | 9 |
| 1970s | 25.1% | 22.7% | 28.6% | 10 |
| 1980s | 24.5% | 20.7% | 28.0% | 10 |
| 1990s | 22.3% | 20.1% | 25.3% | 10 |
| 2000s | 20.7% | 17.9% | 22.5% | 10 |
| 2010s | 25.3% | 20.1% | 34.0% | 5 |
Countries ranked near Sri Lanka
- 160 Panama 21.0% compare
- 161 Norway 20.4% compare
- 162 Dominican Republic 20.2% compare
- 164 Bosnia and Herzegovina 19.2% compare
- 165 Portugal 19.2% compare
- 166 Luxembourg 18.3% compare
More reference data data for Sri Lanka
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.1608 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.316 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 2.33 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.1784 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 2.33 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.539 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.1604 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.63 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 10.15 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.9713 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Sri Lanka?
- Nitrogen use efficiency in Sri Lanka was 20.1% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in Sri Lanka?
- The highest recorded value was 34.0% in 2013.
- What is the lowest nitrogen use efficiency recorded in Sri Lanka?
- The lowest recorded value was 17.9% in 2002.
- How does Sri Lanka rank for nitrogen use efficiency?
- Sri Lanka ranks 163rd out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Sri Lanka?
- Over the last ten years it is up 2.8%. The long-run trend across the full record is falling.
- Where does this Sri Lanka data come from?
- The figures come from Lassaletta et al. (2014) – processed by Our World in Data, published as part of Nitrogen use efficiency. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 54 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Nitrogen use efficiency (NUE) is the ratio between nitrogen inputs and output. A NUE of 40% means that only 40% of nitrogen inputs are converted into nitrogen in the form of crops.