Table 7. Mean RFV indexes in 2016 and 2017
Treatments | 2016 | 2017 |
Cut 1 | Cut 2 | Cut 3 | Cut 4 | Average | Cut1 | Cut 2 | Cut 3 | Cut 4 | Average |
N 0 | 109b1) | 104a | 110b | 108a | 108a | 120a | 142a | 122a | 124a | 126a |
N 112 | 113a | 103a | 115a | 106a | 107a | 118a | 143a | 123a | 121a | 125a |
A | 126ab | 107ab | 114ab | 113abc | 115ab | 125ab | 151a | 133a | 124bcd | 133ab |
LLA | 129a | 115a | 125a | 123a | 123a | 129a | 148a | 139a | 146a | 140a |
RRA | 125abc | 104ab | 111ab | 112abc | 113bc | 129a | 156a | 115ab | 121bcde | 130abcd |
SB | 91e | 100ab | N/A | 89d | 93f | 106bc | N/A | 108b | 108e | 107e |
TF | 99de | 96b | N/A | 89d | 95ef | 103c | N/A | 109b | 108e | 107e |
A + SB | 110bcd | 102ab | 108ab | 108bc | 107bcd | 115abc | 139a | 117ab | 119cde | 122cd |
A + TF | 112abcd | 94b | 112ab | 104c | 105cd | 122abc | 135a | 121ab | 119bcde | 124bcd |
LLA + SB | 109dc | 105ab | 116ab | 110abc | 110bcd | 127a | 147a | 131ab | 132bc | 134ab |
LLA + TF | 116abcd | 106ab | 118ab | 118ab | 114ab | 124ab | 147a | 128ab | 133ab | 133abc |
RRA + SB | 108de | 103ab | 108ab | 104c | 106cd | 116abc | 136a | 123ab | 127bcd | 125bcd |
RRA + TF | 112abcd | 101ab | 114ab | 113abc | 110bcd | 120abc | 145a | 129ab | 118cde | 128bcd |
A + SB + TF | 103de | 101ab | 105b | 101dc | 102cd | 116abc | 135a | 118ab | 117de | 121d |
LLA + SB + TF | 109dc | 108ab | 111ab | 112abc | 110bcd | 118abc | 139a | 125ab | 128bcd | 127bcd |
RRA + SB + TF | 106de | 103ab | 107ab | 106bc | 105cd | 117abc | 135a | 119ab | 117de | 122cd |
p-value | | | | | | | | | | |
N | 0.003 | 0.689 | 0.033 | 0.0722 | 0.168 | 0.535 | 0.579 | 0.552 | 0.396 | 0.635 |
T | 0.000 | 0.003 | 0.044 | < .0001 | < .0001 | < .0001 | 0.021 | 0.000 | < .0001 | < .0001 |
The LSMEANS with same letter are not significantly different at p-value of 0.05 level.
RFV, relative feed value; N0, control without fertilizer; N112, nitrogen application 112 kg/ha; A, gunner conventional alfalfa; LLA, low-lignin Hi-Gest 360 LL alfalfa; RRA, roundup ready RR tonica alfalfa; SB, smooth bromegrass; N/A, not applicable; TF, tall fescue; N, nitrogen fertilizer; T, treatment.