Table 5. Mean ADF concentration (g/kg DM) 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 347a* 406a 392a 389a 383a 362a 339a 365a 350a 355a
N 112 34.7a 405a 381a 395a 382a 362a 340a 360a 350a 354a
A 323d 404abc 398a 380bc 376ab 359a 318ab 357ab 354ab 347abc
LLA 332bcd 364c 381a 352c 357b 355a 330ab 335b 312c 333c
RRA 329cd 410abc 398a 386abc 379ab 347a 309b 377a 357ab 347abc
SB 367a 390abc N/A 401ab 386a 364a N/A 371ab 371a 369a
TF 357abc 379bc N/A 398ab 378ab 360a N/A 363ab 362ab 361a
A + SB 345abcd 418ab 390a 395ab 387ab 374a 347ab 375ab 352ab 362a
A + TF 349abcd 431a 374a 404ab 390a 353a 354ab 372ab 353ab 358ab
LLA + SB 350abcd 413abc 374a 379bc 379ab 364a 343ab 345ab 343abc 349abc
LLA + TF 343abcd 407abc 373a 378bc 375ab 357a 326ab 339ab 330bc 338bc
RRA + SB 348abcd 407abc 401a 401ab 389a 371a 365a 366ab 342abc 361a
RRA + TF 344abcd 402abc 378a 401ab 381ab 370a 338ab 370ab 361ab 360a
A +SB + TF 364ab 428ab 388a 417a 400a 376a 361ab 369ab 356ab 365a
LLA + SB + TF 350abcd 402abc 389a 386abc 382ab 357a 334ab 358ab 340abc 347abc
RRA + SB + TF 354abcd 417abc 392a 409ab 393a 358a 350ab 376ab 362ab 361a
p-value
 N 0.9838 0.8416 0.1168 0.1327 0.5583 0.863 0.6824 0.286 0.9835 0.6704
 T 0.0003 0.0018 0.8074 < .0001 0.0005 0.5159 0.0212 0.0032 < .0001 < .0001
The LSMEANS with same letter are not significantly different at p-value of 0.05 level.
ADF, acid 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.