Design of a Plant Leaf Area Meter Using PV Cell and Embedded Microcontroller

Table 3

Comparing grid counting method with developed leaf area meter.

Sample	Grid counting^1	Leaf area meter^2	Difference
1	1653 mm^2	1648 mm^2	5 mm^2
2	2008 mm^2	2126 mm^2	−118 mm^2
3	1746 mm^2	1794 mm^2	−52 mm^2
4	578 mm^2	572 mm^2	6 mm^2

1Millimeter graph paper method.
²Developed leaf area meter.