Description for Chart 3
Tillage practices, Canada, 1991 to 2011

The title of the graph is "Chart 3 Tillage practices, Canada, 1991 to 2011."
This is a column stacked chart.
There are in total 5 categories in the horizontal axis. The vertical axis starts at 0 and ends at 100 with ticks every 20 points.
There are 3 series in this graph.
The vertical axis is "percent of total land prepared for seeding."
The units of the horizontal axis are years from 1991 to 2011.
The title of series 1 is "No till."
The minimum value is 6.7 occurring in 1991.
The maximum value is 56.4 occurring in 2011.
The title of series 2 is "Conservation tillage."
The minimum value is 24.4 occurring in 1991.
The maximum value is 30.6 occurring in 1996.
The title of series 3 is "Conventional tillage."
The minimum value is 19.0 occurring in 2011.
The maximum value is 68.9 occurring in 1991.