Maize (corn) — Crop residues (N content), per square kilometre in Sri Lanka

Sri Lanka: Maize (corn) — Crop residues (N content), per square kilometre was 31.84 kg per square kilometre in 2023. ◆ Volatile

Latest (2023)
31.84 kg per square kilometre
Change on year
down 13.8%
World rank
65th
of 146 countries
All-time high
64.19 kg per square kilometre
in 2021
All-time low
1.84 kg per square kilometre
in 1962
Years of data
63
1961–2023

Maize (corn) — Crop residues (N content), per square kilometre in Sri Lanka, 1961–2023

0204060196119922023

Source: Statizoid (derived). Measured in kg per square kilometre.

Analysis

The most recent figure for maize (corn) — crop residues (n content), per square kilometre in Sri Lanka is 31.84 kg per square kilometre, measured in 2023.

That represents a change of down 13.8% on the previous year and up 8.3% over ten years.

Over the whole period, maize (corn) — crop residues (n content), per square kilometre in Sri Lanka peaked at 64.19 kg per square kilometre in 2021 and was at its lowest, 1.84 kg per square kilometre, in 1962.

Sri Lanka ranks 65th of 146 countries on this measure, in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Maize (corn) — Crop residues (N content), per square kilometre in Sri Lanka, year by year

Annual values for Maize (corn) — Crop residues (N content), per square kilometre in Sri Lanka, 1961 to 2023.
Year kg per square kilometre Change
1961 1.99 kg per square kilometre
1962 1.84 kg per square kilometre -7.6%
1963 2.26 kg per square kilometre +23.0%
1964 1.85 kg per square kilometre -18.2%
1965 1.98 kg per square kilometre +7.0%
1966 1.98 kg per square kilometre -0.0%
1967 2.96 kg per square kilometre +49.2%
1968 2.53 kg per square kilometre -14.6%
1969 3.31 kg per square kilometre +31.2%
1970 3 kg per square kilometre -9.5%
1971 2.71 kg per square kilometre -9.7%
1972 3.15 kg per square kilometre +16.4%
1973 4.43 kg per square kilometre +40.4%
1974 4.97 kg per square kilometre +12.3%
1975 5.9 kg per square kilometre +18.7%
1976 5.78 kg per square kilometre -2.0%
1977 3.99 kg per square kilometre -31.0%
1978 3.85 kg per square kilometre -3.5%
1979 3.79 kg per square kilometre -1.6%
1980 3.83 kg per square kilometre +1.1%
1981 4.25 kg per square kilometre +11.0%
1982 4.46 kg per square kilometre +4.9%
1983 5.19 kg per square kilometre +16.4%
1984 6.4 kg per square kilometre +23.5%
1985 5.82 kg per square kilometre -9.0%
1986 6.93 kg per square kilometre +19.0%
1987 7.29 kg per square kilometre +5.1%
1988 7.07 kg per square kilometre -2.9%
1989 5.6 kg per square kilometre -20.8%
1990 5.97 kg per square kilometre +6.7%
1991 5.97 kg per square kilometre +0.0%
1992 5.29 kg per square kilometre -11.4%
1993 5.96 kg per square kilometre +12.6%
1994 5.88 kg per square kilometre -1.4%
1995 6.56 kg per square kilometre +11.7%
1996 6 kg per square kilometre -8.6%
1997 4.79 kg per square kilometre -20.1%
1998 6.03 kg per square kilometre +25.9%
1999 5.69 kg per square kilometre -5.7%
2000 5.62 kg per square kilometre -1.2%
2001 5.15 kg per square kilometre -8.4%
2002 4.72 kg per square kilometre -8.4%
2003 5.35 kg per square kilometre +13.4%
2004 5.76 kg per square kilometre +7.7%
2005 6.88 kg per square kilometre +19.4%
2006 7.8 kg per square kilometre +13.4%
2007 9.01 kg per square kilometre +15.5%
2008 19.62 kg per square kilometre +117.8%
2009 18.85 kg per square kilometre -4.0%
2010 23.09 kg per square kilometre +22.5%
2011 19.78 kg per square kilometre -14.4%
2012 28 kg per square kilometre +41.6%
2013 29.4 kg per square kilometre +5.0%
2014 33.17 kg per square kilometre +12.8%
2015 31.68 kg per square kilometre -4.5%
2016 33.98 kg per square kilometre +7.3%
2017 27.15 kg per square kilometre -20.1%
2018 37.36 kg per square kilometre +37.6%
2019 33.92 kg per square kilometre -9.2%
2020 43.1 kg per square kilometre +27.1%
2021 64.19 kg per square kilometre +48.9%
2022 36.95 kg per square kilometre -42.4%
2023 31.84 kg per square kilometre -13.8%

Sri Lanka compared with similar countries

  • Sri Lanka's 31.84 kg per square kilometre is above the median for upper middle income countries, which is 15.85 kg per square kilometre, 2.0× the median. (46 countries reporting)
  • Sri Lanka's 31.84 kg per square kilometre is below the median for South Asia, which is 71.27 kg per square kilometre, 45% of the median. (6 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1960s 2.3 kg per square kilometre 1.84 kg per square kilometre 3.31 kg per square kilometre 9
1970s 4.15 kg per square kilometre 2.71 kg per square kilometre 5.9 kg per square kilometre 10
1980s 5.68 kg per square kilometre 3.83 kg per square kilometre 7.29 kg per square kilometre 10
1990s 5.82 kg per square kilometre 4.79 kg per square kilometre 6.56 kg per square kilometre 10
2000s 8.88 kg per square kilometre 4.72 kg per square kilometre 19.62 kg per square kilometre 10
2010s 29.75 kg per square kilometre 19.78 kg per square kilometre 37.36 kg per square kilometre 10
2020s 44.02 kg per square kilometre 31.84 kg per square kilometre 64.19 kg per square kilometre 4

Countries ranked near Sri Lanka

  1. 62 Mozambique 34.59 kg per square kilometre compare
  2. 63 Gambia 33.77 kg per square kilometre compare
  3. 64 Kyrgyzstan 33.55 kg per square kilometre compare
  4. 66 Nicaragua 30.81 kg per square kilometre compare
  5. 67 Myanmar 28.78 kg per square kilometre compare
  6. 68 Angola 28.7 kg per square kilometre compare

See the full ranking of 148 places →

More climate change data for Sri Lanka

All data for Sri Lanka →

Frequently asked questions

What is maize (corn) — crop residues (n content), per square kilometre in Sri Lanka?
Maize (corn) — crop residues (n content), per square kilometre in Sri Lanka was 31.84 kg per square kilometre in 2023, according to Statizoid (derived).
What is the highest maize (corn) — crop residues (n content), per square kilometre recorded in Sri Lanka?
The highest recorded value was 64.19 kg per square kilometre in 2021.
What is the lowest maize (corn) — crop residues (n content), per square kilometre recorded in Sri Lanka?
The lowest recorded value was 1.84 kg per square kilometre in 1962.
How does Sri Lanka rank for maize (corn) — crop residues (n content), per square kilometre?
Sri Lanka ranks 65th out of 146 countries with data for 2023.
Is maize (corn) — crop residues (n content), per square kilometre rising or falling in Sri Lanka?
Over the last ten years it is up 8.3%. The long-run trend across the full record is volatile.
Where does this Sri Lanka data come from?
The figures come from Statizoid (derived), published as part of Maize (corn) — Crop residues (N content), per square kilometre. Statizoid updates them automatically from the source API.

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Maize (corn) — Crop residues (N content), per square kilometre in Sri Lanka. Statizoid, drawing on Statizoid (derived). Retrieved 22 September 2026, from https://climate.statizoid.com/stat/maize-corn-crop-residues-n-content-per-square-kilometre/sri-lanka/

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<a href="https://climate.statizoid.com/stat/maize-corn-crop-residues-n-content-per-square-kilometre/sri-lanka/">Maize (corn) — Crop residues (N content), per square kilometre in Sri Lanka</a> — Statizoid

How this figure is calculated

Maize (corn) — Crop residues (N content) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.

Maize (corn) — Crop residues (N content) ÷ Land area (sq. km)

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

About this data

Indicator
Maize (corn) — Crop residues (N content), per square kilometre
Unit
kg per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
148 places, 8,124 data points, 1961–2023
Last refreshed

Maize (corn) — Crop residues (N content) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.