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.