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.