Table 6. Mean NDF concentration (g/kg DM) in 2016 and 2017

Treatments	2016					2017
Treatments	Cut 1	Cut 2	Cut 3	Cut 4	Average	Cut1	Cut 2	Cut 3	Cut 4	Average
N 0	513^b1)	518^a	496^a	508^a	512^b	475^a	411^a	465^a	467^a	458^a
N 112	534^a	522^a	486^b	515^a	518^a	482^a	406^a	464^a	476^a	462^a
A	470^ef	503^b	476^ab	491^bc	486^de	458^c	396^a	432^b	459^bc	436^cde
LLA	460^f	489^b	441^b	466^c	465^e	443^c	398^a	422^b	412^d	419^e
RRA	470^ef	513^b	487^ab	493^bc	491^cde	450^c	388^a	481^ab	472^bc	448^bcde
SB	614^a	548^ab	N/A	601^a	588^a	534^ab	N/A	520^a	521^a	525^a
TF	574^ab	573^a	N/A	608^a	585^a	550^a	N/A	518^a	523^a	530^a
A + SB	528^bcde	512^b	508^a	501^bc	513^cd	487^bc	416^a	474^ab	483^abc	465^bc
A + TF	516^bcdef	549^ab	500^a	517^bc	520^b	471^c	424^a	463^ab	480^abc	460^bcd
LLA + SB	526^bcdef	504^b	481^ab	506^bc	504^bcd	445^c	395^a	441^b	439^cd	430^de
LLA + TF	500^cdef	505^b	473^ab	471^bc	487^de	457^c	400^a	455^ab	445^bcd	440^bcde
RRA + SB	536^bcd	520^ab	497^a	519^bc	518^bc	484^bc	415^a	459^ab	460^bc	454^bcd
RRA + TF	519^bcdef	536^ab	486^ab	476^bc	504^bcd	469^c	404^a	437^b	481^abc	448^bcde
A + SB + TF	546^bc	514^b	526^a	520^b	527^b	484^bc	420^a	478^ab	487^ab	467^b
LLA + SB + TF	526^bcdef	498^b	493^ab	492^bc	502^bcd	481^bc	420^a	459^ab	456^bcd	454^bcd
RRA + SB + TF	539^bc	518^ab	510^ab	503^bc	518^bc	486^bc	425^a	467^ab	482^abc	465^bc
p-value
N	0.000	0.535	0.044	0.159	0.022	0.410	0.303	0.857	0.186	0.219
T	< 0.000	< .000	0.000	< .000	< .0001	< .000	0.042	< .000	< .000	< .0001

The LSMEANS with same letter are not significantly different at p-value of 0.05 level.
NDF, neutral detergent fiber; DM, dry matter; 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.