Nitrogen use efficiency in Bulgaria
Bulgaria: Nitrogen use efficiency was 57.5% in 2014. ▲ Rising
Nitrogen use efficiency in Bulgaria, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
Bulgaria recorded 57.5% for nitrogen use efficiency in 2014.
That represents a change of up 14.5% on the previous year and up 7.5% over ten years.
Over the whole period, nitrogen use efficiency in Bulgaria peaked at 73.9% in 1995 and was at its lowest, 22.1%, in 1985.
That places Bulgaria 81st out of 205 countries with data for 2014, putting it in the middle of the range.
The long-run direction has been consistently rising across the 54 years of available data.
Nitrogen use efficiency in Bulgaria, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 57.1% | — |
| 1962 | 61.6% | +7.8% |
| 1963 | 56.4% | -8.5% |
| 1964 | 48.4% | -14.1% |
| 1965 | 39.4% | -18.5% |
| 1966 | 42.8% | +8.4% |
| 1967 | 36.9% | -13.7% |
| 1968 | 27.1% | -26.6% |
| 1969 | 31.1% | +14.6% |
| 1970 | 33.4% | +7.4% |
| 1971 | 38.4% | +15.0% |
| 1972 | 39.8% | +3.8% |
| 1973 | 39.1% | -1.9% |
| 1974 | 35.5% | -9.2% |
| 1975 | 35.4% | -0.1% |
| 1976 | 40.4% | +13.9% |
| 1977 | 36.0% | -10.9% |
| 1978 | 35.5% | -1.4% |
| 1979 | 35.6% | +0.4% |
| 1980 | 30.8% | -13.5% |
| 1981 | 30.4% | -1.2% |
| 1982 | 34.2% | +12.4% |
| 1983 | 27.1% | -20.8% |
| 1984 | 34.0% | +25.5% |
| 1985 | 22.1% | -34.9% |
| 1986 | 32.2% | +45.4% |
| 1987 | 29.1% | -9.6% |
| 1988 | 26.7% | -8.3% |
| 1989 | 33.9% | +27.1% |
| 1990 | 31.3% | -7.7% |
| 1991 | 38.9% | +24.1% |
| 1992 | 48.4% | +24.7% |
| 1993 | 45.7% | -5.6% |
| 1994 | 46.6% | +1.9% |
| 1995 | 73.9% | +58.7% |
| 1996 | 37.8% | -48.8% |
| 1997 | 57.4% | +51.9% |
| 1998 | 56.4% | -1.8% |
| 1999 | 61.9% | +9.7% |
| 2000 | 46.0% | -25.6% |
| 2001 | 54.8% | +19.0% |
| 2002 | 43.3% | -21.1% |
| 2003 | 25.7% | -40.5% |
| 2004 | 53.5% | +107.9% |
| 2005 | 51.0% | -4.7% |
| 2006 | 61.2% | +20.1% |
| 2007 | 31.1% | -49.2% |
| 2008 | 59.9% | +92.9% |
| 2009 | 45.5% | -24.1% |
| 2010 | 54.6% | +19.9% |
| 2011 | 43.7% | -20.0% |
| 2012 | 45.1% | +3.4% |
| 2013 | 50.2% | +11.3% |
| 2014 | 57.5% | +14.5% |
Bulgaria compared with similar countries
- Bulgaria's 57.5% is above the median for high income countries, which is 36.0%, 1.6× the median. (69 countries reporting)
- Bulgaria's 57.5% is above the median for Europe & Central Asia, which is 54.4%, 1.1× the median. (49 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 44.5% | 27.1% | 61.6% | 9 |
| 1970s | 36.9% | 33.4% | 40.4% | 10 |
| 1980s | 30.1% | 22.1% | 34.2% | 10 |
| 1990s | 49.8% | 31.3% | 73.9% | 10 |
| 2000s | 47.2% | 25.7% | 61.2% | 10 |
| 2010s | 50.2% | 43.7% | 57.5% | 5 |
Countries ranked near Bulgaria
More reference data data for Bulgaria
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.3067 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.2728 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 1.73 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.2506 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 1.73 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 1.03 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.608 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.02 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 7.74 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 1.36 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Bulgaria?
- Nitrogen use efficiency in Bulgaria was 57.5% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in Bulgaria?
- The highest recorded value was 73.9% in 1995.
- What is the lowest nitrogen use efficiency recorded in Bulgaria?
- The lowest recorded value was 22.1% in 1985.
- How does Bulgaria rank for nitrogen use efficiency?
- Bulgaria ranks 81st out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Bulgaria?
- Over the last ten years it is up 7.5%. The long-run trend across the full record is rising.
- Where does this Bulgaria 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.