Nitrogen use efficiency in Saint Vincent and the Grenadines
Saint Vincent and the Grenadines: Nitrogen use efficiency was 94.4% in 2014. ◆ Volatile
Nitrogen use efficiency in Saint Vincent and the Grenadines, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
In 2014, nitrogen use efficiency in Saint Vincent and the Grenadines stood at 94.4%. That is the highest value across all 54 years on record.
That represents a change of up 27.4% on the previous year and up 21.2% over ten years.
Over the whole period, nitrogen use efficiency in Saint Vincent and the Grenadines peaked at 94.4% in 2014 and was at its lowest, 7.0%, in 1977.
That places Saint Vincent and the Grenadines 32nd out of 205 countries with data for 2014, putting it in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Nitrogen use efficiency in Saint Vincent and the Grenadines, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 37.4% | — |
| 1962 | 38.7% | +3.3% |
| 1963 | 33.0% | -14.7% |
| 1964 | 34.2% | +3.7% |
| 1965 | 30.3% | -11.5% |
| 1966 | 30.4% | +0.2% |
| 1967 | 22.3% | -26.5% |
| 1968 | 17.5% | -21.4% |
| 1969 | 13.5% | -23.1% |
| 1970 | 10.9% | -18.9% |
| 1971 | 11.4% | +4.2% |
| 1972 | 10.8% | -5.1% |
| 1973 | 9.6% | -10.9% |
| 1974 | 8.7% | -9.8% |
| 1975 | 7.9% | -9.5% |
| 1976 | 7.6% | -3.7% |
| 1977 | 7.0% | -8.0% |
| 1978 | 8.3% | +19.2% |
| 1979 | 8.2% | -1.5% |
| 1980 | 7.3% | -10.2% |
| 1981 | 7.5% | +2.2% |
| 1982 | 7.8% | +3.6% |
| 1983 | 7.7% | -1.0% |
| 1984 | 9.5% | +24.2% |
| 1985 | 11.0% | +15.4% |
| 1986 | 10.8% | -1.8% |
| 1987 | 8.4% | -22.1% |
| 1988 | 10.9% | +29.7% |
| 1989 | 15.3% | +39.8% |
| 1990 | 36.4% | +138.2% |
| 1991 | 34.3% | -5.9% |
| 1992 | 37.8% | +10.3% |
| 1993 | 21.1% | -44.1% |
| 1994 | 13.7% | -34.9% |
| 1995 | 15.1% | +10.2% |
| 1996 | 14.5% | -4.4% |
| 1997 | 13.8% | -4.6% |
| 1998 | 11.7% | -15.3% |
| 1999 | 10.0% | -14.2% |
| 2000 | 10.1% | +0.4% |
| 2001 | 10.7% | +6.2% |
| 2002 | 71.1% | +565.8% |
| 2003 | 79.2% | +11.5% |
| 2004 | 77.9% | -1.7% |
| 2005 | 81.9% | +5.1% |
| 2006 | 83.3% | +1.8% |
| 2007 | 78.6% | -5.6% |
| 2008 | 73.7% | -6.2% |
| 2009 | 74.0% | +0.4% |
| 2010 | 79.3% | +7.1% |
| 2011 | 73.2% | -7.7% |
| 2012 | 74.0% | +1.1% |
| 2013 | 74.1% | +0.1% |
| 2014 | 94.4% | +27.4% |
Saint Vincent and the Grenadines compared with similar countries
- Saint Vincent and the Grenadines's 94.4% is above the median for upper middle income countries, which is 38.2%, 2.5× the median. (57 countries reporting)
- Saint Vincent and the Grenadines's 94.4% is above the median for Latin America & Caribbean, which is 30.0%, 3.1× the median. (37 countries reporting)
Biggest year-on-year movements
Years where Nitrogen use efficiency in Saint Vincent and the Grenadines changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2002 | +565.8% | 10.7% | 71.1% |
| 1990 | +138.2% | 15.3% | 36.4% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 28.6% | 13.5% | 38.7% | 9 |
| 1970s | 9.0% | 7.0% | 11.4% | 10 |
| 1980s | 9.6% | 7.3% | 15.3% | 10 |
| 1990s | 20.8% | 10.0% | 37.8% | 10 |
| 2000s | 64.1% | 10.1% | 83.3% | 10 |
| 2010s | 79.0% | 73.2% | 94.4% | 5 |
Countries ranked near Saint Vincent and the Grenadines
More reference data data for Saint Vincent and the Grenadines
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0031 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0045 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.0077 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.0077 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0105 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.0067 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.0208 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.0383 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.0002 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Saint Vincent and the Grenadines?
- Nitrogen use efficiency in Saint Vincent and the Grenadines was 94.4% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in Saint Vincent and the Grenadines?
- The highest recorded value was 94.4% in 2014.
- What is the lowest nitrogen use efficiency recorded in Saint Vincent and the Grenadines?
- The lowest recorded value was 7.0% in 1977.
- How does Saint Vincent and the Grenadines rank for nitrogen use efficiency?
- Saint Vincent and the Grenadines ranks 32nd out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Saint Vincent and the Grenadines?
- Over the last ten years it is up 21.2%. The long-run trend across the full record is volatile.
- Where does this Saint Vincent and the Grenadines 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.