seed fert quality
a I 106
a I 110
a II 95
a II 100
a III 94
a III 107
a IV 103
a IV 104
a V 100
a V 102
b I 110
b I 112
b II 98
b II 99
b III 100
b III 101
b IV 108
b IV 112
b V 105
b V 107
c I 94
c I 97
c II 86
c II 87
c III 98
c III 99
c IV 99
c IV 101
c V 94
c V 98