Research on the drying and processing process of alfalfa bale with internal forced stage type
In response to the problem of nutrient loss caused by the mismatch between drying processing equipment and drying process,this paper proposes a new type of alfalfa drying process with internal forced stage,which is di-vided into the stage of rapid drying(reducing the moisture content of the bale from 35％to 25％)and the stage of re-duced-speed drying(reducing the moisture content of the bale from 25％to 17％),and then measures the protein,neutral detergent fiber and acid detergent fiber contents of alfalfa bales in different moisture content states,and ana-lyzes the test data significantly and tests the stability of the effectiveness of the new drying process.Protein,neutral detergent fiber and acid detergent fiber contents of alfalfa bales at different moisture content states were measured,the test data were analyzed for significance,and the stability of the effect of the new drying process was tested.The test results showed that the new alfalfa drying process had a significant difference(P＜0.05)in the main nutrients relative to the natural drying process,and was able to effectively reduce the protein loss rate from 30％～50％to a-bout 15.6％,and the content of neutral detergent fiber could be optimally controlled at 36.3％,and the content of acid detergent fiber could be optimally controlled at 31.3％.
alfalfastage dryingsPSS analysisprotein lossdrying process
NETL
NSTL
万方数据
维普
