Nitrogen	Sulphur	Yield
0	0	4.48
0	0	4.52
0	0	4.63
0	3	4.7
0	3	4.65
0	3	4.57
0	6	5.21
0	6	5.23
0	6	5.28
0	9	5.88
0	9	5.98
0	9	5.88
20	0	5.76
20	0	5.72
20	0	5.78
20	3	7.01
20	3	7.11
20	3	7.02
20	6	5.88
20	6	5.82
20	6	5.73
20	9	6.26
20	9	6.26
20	9	6.37