The data displays the amount of nitrogen that was used in fertilizer for tillage crops and grasses on British farms from 2011 to 2017, measured in kilograms of nitrogen per hectare of land farmed (kg/ha). Over the past thirty years, the source states that most years see nitrogen usage on tillage crops fall in the 145-150 kg/ha range. In the time period recorded here, the years 2011, 2014 and 2015 all fell within this range.
2011 | 146 | 57 | 99 |
2012 | 144 | 55 | 95 |
2013 | 136 | 59 | 94 |
2014 | 146 | 60 | 99 |
2015 | 146 | 56 | 98 |
2016 | 141 | 56 | 94 |
2017 | 137 | 54 | 91 |