Item1 | Treatment2 | Day of ensiling | SEM3 | P value4 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 3 | 5 | 7 | 15 | 30 | 45 |  | T | D | T × D | ||
pH | C | 4.93A | 4.52B | 4.23B | 4.20B | 4.20A | 4.16A | 4.17A | 0.03 | 0.01 |  < 0.001 |  < 0.001 |
 | E | 4.90A | 4.67A | 4.25AB | 4.15C | 4.17B | 4.13B | 4.05B |  |  |  |  |
 | X | 4.91A | 4.61AB | 4.28A | 4.22A | 4.13C | 4.09C | 4.05B |  |  |  |  |
 | EX | 4.92A | 4.66A | 4.26AB | 4.20B | 4.12C | 4.09C | 4.05B |  |  |  |  |
Lactic acid | C | 8.29B | 19.20A | 30.34A | 35.46A | 41.51A | 41.86A | 40.16A | 1.33 |  < 0.001 |  < 0.001 |  < 0.001 |
(g/kg DM) | E | 9.23AB | 16.74B | 22.37B | 36.28A | 42.49A | 42.04A | 40.43A | Â | Â | Â | Â |
 | X | 10.46A | 15.42C | 27.22A | 30.90B | 41.77A | 40.30A | 37.93B |  |  |  |  |
 | EX | 9.30AB | 14.12D | 27.89A | 31.93B | 41.89A | 40.84A | 40.23A |  |  |  |  |
Acetic acid | C | 4.39B | 6.19C | 9.38C | 9.81D | 11.74C | 12.35B | 11.72B | 0.04 |  < 0.001 |  < 0.001 |  < 0.001 |
(g/kg DM) | E | 3.07C | 5.28D | 8.97D | 10.77C | 12.67B | 13.36B | 12.30AB | Â | Â | Â | Â |
 | X | 6.37A | 7.10B | 12.32A | 12.49B | 15.56A | 16.13A | 14.40A |  |  |  |  |
 | EX | 4.57B | 8.57A | 11.75B | 13.09A | 11.86C | 16.79A | 13.96AB |  |  |  |  |
Propionic acid | C | 0.15A | 0.17B | 0.32A | 0.52AB | 0.71A | 0.76A | 0.86A | 0.03 |  < 0.001 |  < 0.001 |  < 0.001 |
(g/kg DM) | E | 0.14A | 0.15C | 0.19B | 0.56A | 0.71A | 0.76A | 0.71B | Â | Â | Â | Â |
 | X | 0.15A | 0.17BC | 0.30A | 0.26C | 0.36B | 0.75A | 0.52C |  |  |  |  |
 | EX | 0.14A | 0.19A | 0.30A | 0.49B | 0.32B | 0.62A | 0.51C |  |  |  |  |
Butyric acid | C | 0.06A | 0.06A | 0.06A | 0.11A | 0.11A | 0.11AB | 0.12A | 0.00 |  < 0.001 |  < 0.001 |  < 0.001 |
(g/kg DM) | E | 0.06B | 0.06AB | 0.06A | 0.11A | 0.11A | 0.11AB | 0.10B | Â | Â | Â | Â |
 | X | 0.06B | 0.06B | 0.06A | 0.06B | 0.06B | 0.11B | 0.10B |  |  |  |  |
 | EX | 0.05C | 0.06B | 0.08A | 0.06B | 0.06B | 0.12A | 0.10B |  |  |  |  |
Ammonia | C | 22.58A | 35.35A | 38.14A | 49.21A | 70.25A | 74.59A | 95.13A | 2.80 |  < 0.001 |  < 0.001 |  < 0.001 |
nitrogen | E | 12.09B | 25.41B | 31.25AB | 41.38B | 62.39AB | 78.30A | 86.51B | Â | Â | Â | Â |
(g/kg TN) | X | 14.93B | 22.35B | 29.81B | 31.46C | 60.49B | 75.06A | 82.34BC | Â | Â | Â | Â |
 | EX | 14.49B | 20.82B | 22.27C | 30.76C | 59.44B | 74.72A | 77.83C |  |  |  |  |