plants yield
12  150.1
12  113
12  118.4
12  142.6
16  166.9
16  120.7
16  135.2
16  149.8
20  165.3
20  130.1
20  139.6
20  149.9
24  134.7
24  138.4
24  156.1
28  119
28  150.5