Nitrogen use efficiency in El Salvador
El Salvador: Nitrogen use efficiency was 30.8% in 2014. ▼ Falling
Nitrogen use efficiency in El Salvador, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
In 2014, nitrogen use efficiency in El Salvador stood at 30.8%.
That represents a change of up 11.9% on the previous year and up 3.8% over ten years.
Over the whole period, nitrogen use efficiency in El Salvador peaked at 77.3% in 1965 and was at its lowest, 20.4%, in 2011.
That places El Salvador 138th out of 205 countries with data for 2014, putting it in the middle of the range.
The long-run direction has been consistently falling across the 54 years of available data.
Nitrogen use efficiency in El Salvador, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 75.1% | — |
| 1962 | 76.2% | +1.5% |
| 1963 | 57.4% | -24.7% |
| 1964 | 55.6% | -3.2% |
| 1965 | 77.3% | +39.1% |
| 1966 | 44.7% | -42.2% |
| 1967 | 43.0% | -3.8% |
| 1968 | 38.4% | -10.6% |
| 1969 | 43.0% | +12.0% |
| 1970 | 38.6% | -10.3% |
| 1971 | 32.5% | -16.0% |
| 1972 | 31.7% | -2.4% |
| 1973 | 34.5% | +9.0% |
| 1974 | 38.6% | +11.7% |
| 1975 | 40.2% | +4.2% |
| 1976 | 28.1% | -30.2% |
| 1977 | 30.7% | +9.3% |
| 1978 | 33.4% | +8.9% |
| 1979 | 49.0% | +46.6% |
| 1980 | 49.5% | +1.2% |
| 1981 | 30.8% | -37.9% |
| 1982 | 39.5% | +28.4% |
| 1983 | 31.5% | -20.4% |
| 1984 | 43.4% | +37.9% |
| 1985 | 29.3% | -32.5% |
| 1986 | 30.2% | +3.1% |
| 1987 | 21.6% | -28.5% |
| 1988 | 24.0% | +11.2% |
| 1989 | 27.3% | +13.5% |
| 1990 | 29.2% | +7.1% |
| 1991 | 26.2% | -10.1% |
| 1992 | 32.8% | +25.2% |
| 1993 | 30.5% | -7.0% |
| 1994 | 28.8% | -5.5% |
| 1995 | 35.8% | +24.2% |
| 1996 | 26.5% | -26.1% |
| 1997 | 21.0% | -20.5% |
| 1998 | 25.3% | +20.4% |
| 1999 | 27.9% | +10.1% |
| 2000 | 28.6% | +2.5% |
| 2001 | 28.4% | -0.6% |
| 2002 | 36.6% | +28.9% |
| 2003 | 34.0% | -7.2% |
| 2004 | 29.7% | -12.7% |
| 2005 | 23.2% | -21.8% |
| 2006 | 30.0% | +29.4% |
| 2007 | 23.5% | -21.9% |
| 2008 | 24.9% | +6.3% |
| 2009 | 26.0% | +4.3% |
| 2010 | 23.2% | -10.7% |
| 2011 | 20.4% | -12.2% |
| 2012 | 26.7% | +31.1% |
| 2013 | 27.5% | +2.9% |
| 2014 | 30.8% | +11.9% |
El Salvador compared with similar countries
- El Salvador's 30.8% is below the median for upper middle income countries, which is 38.2%, 81% of the median. (57 countries reporting)
- El Salvador's 30.8% is above the median for Latin America & Caribbean, which is 30.0%, 1.0× the median. (37 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 56.7% | 38.4% | 77.3% | 9 |
| 1970s | 35.7% | 28.1% | 49.0% | 10 |
| 1980s | 32.7% | 21.6% | 49.5% | 10 |
| 1990s | 28.4% | 21.0% | 35.8% | 10 |
| 2000s | 28.5% | 23.2% | 36.6% | 10 |
| 2010s | 25.7% | 20.4% | 30.8% | 5 |
Countries ranked near El Salvador
More reference data data for El Salvador
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.2714 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.6267 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 1.78 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0909 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 1.78 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.91 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.3176 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 3.5 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 8.5 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.4948 (2050)
Frequently asked questions
- What is nitrogen use efficiency in El Salvador?
- Nitrogen use efficiency in El Salvador was 30.8% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in El Salvador?
- The highest recorded value was 77.3% in 1965.
- What is the lowest nitrogen use efficiency recorded in El Salvador?
- The lowest recorded value was 20.4% in 2011.
- How does El Salvador rank for nitrogen use efficiency?
- El Salvador ranks 138th out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in El Salvador?
- Over the last ten years it is up 3.8%. The long-run trend across the full record is falling.
- Where does this El Salvador 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.