Table 3. Effects of additives on organic acids and ratio of LA/AA of silage.
Crop | Treatment | pH | LA (g/kg) | AA (g/kg) | BA (g/kg) | LA/AA |
---|---|---|---|---|---|---|
Proso millet | C | 4.35a | 40.08b | 14.14b | 2.27 | 2.83b |
FA | 4.24b | 21.02c | 35.91a | ND | 0.59c | |
LP | 4.25b | 76.67a | 18.63ab | ND | 4.12a | |
Mean | 4.28A | 45.92B | 22.89C | 0.76B | 2.51A | |
Corn | C | 3.86a | 61.45b | 48.60b | ND | 1.26b |
FA | 3.55b | 58.83b | 96.20a | ND | 0.61b | |
LP | 3.53b | 70.42a | 24.37b | ND | 2.89a | |
Mean | 3.65B | 63.57A | 56.39B | ND | 1.59B | |
SSH | C | 4.07a | 76.70a | 45.23b | ND | 1.70a |
FA | 3.62b | 32.61b | 97.81a | 5.91 | 0.33c | |
LP | 3.70b | 78.37a | 80.70ab | ND | 0.97b | |
Mean | 3.80B | 62.56A | 74.58A | 1.97A | 1.00B | |
p-value | V | 0.0261 | < 0.0001 | < 0.0001 | 0.0370 | < 0.0001 |
A | < 0.0001 | < 0.0001 | < 0.0001 | 0.8913 | < 0.0001 | |
V × A | < 0.0001 | < 0.0001 | < 0.0001 | 0.0463 | < 0.0001 |
Different lowercase letters in the same column indicate significant differences among additives (p < 0.05) and different uppercase letters in the same column indicate significant differences among crops (p < 0.05).
LA, lactic acid; AA, acetic acid; BA, butyric acid; C, control; FA, formic acid; ND, not detected; LP, Lactobacillus plantarum; SSH, sorghum-sudangrass hybrid; V, variety; A, additive.