Alfalfa is a perennial legume forage with high quality and high yield. It is famous for its rich nutrition, high grass yield, strong adaptability and long growth life. Its stems and leaves are rich in protein, lysine and calcium. Phosphorus is known as "King of Forage". In the process of alfalfa production, harvesting and storage are an important part of alfalfa production, and the drying of pasture is a key part of it.
Forage drying is the process of removing excess water from forage materials to facilitate packaging, transportation, storage, processing, and use. The natural drying process after alfalfa is harvested is not only a simple process of reducing moisture, but essentially a series of complex physical and chemical changes. After harvesting, the cells in the forage have not died, but continue the metabolism and the conversion and transfer of photosynthetic products. This process will lose about 5% -15% of unstructured carbohydrates (starch and sugar). Exposure to the sun and rain will also cause alfalfa nutrient loss of 35% -100%. In addition, fungi and actinomycetes such as fungi that are toxic to livestock will breed during the slow natural drying process. Therefore, the rapid drying of the machine can not only obtain high-quality hay, but also the loss of nutrients such as crude protein, carbohydrates, carrots and essential amino acids of alfalfa.
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