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试验结果：（1）苜蓿添加亚氨法造纸黑液6kg可获得优质青贮，成本较添加甲酸可降低87％。（2）苜蓿优质半干青贮水分高限为：现蕾期55％，初花期60％，盛花期65％，结荚期70％。较传统含水45～55％可缩短晾晒时间。（3）苜蓿加20％干麦秸混贮效果良好。
Test results: (1) Alfalfa added iminaceous black liquor 6kg to obtain high-quality silage, the cost of adding formic acid can be reduced by 87%. (2) The upper limit of alfalfa high quality semi-dry silage was as follows: budding stage 55%, first flowering 60%, full flowering 65% and podding stage 70%. More traditional water 45 ~ 55% can shorten the drying time. (3) Alfalfa plus 20% dry wheat straw mixed well.