Analysis on the Characteristics of Corn Stalk Silage Harvester Operation

The corn straw silage harvester uses cutting, feeding, compaction, smashing and other institutions to quickly chop the fresh corn stalks with a water content of 65% to 75%, and throws the chopped stalks into the spoiler. mechanical.

Since the 21st century, with the development of China’s agricultural economy, the country’s investment in agriculture has continued to increase, and agricultural machinery manufacturers and agricultural machinery research institutions have begun to introduce foreign mature large-scale corn straw silage harvesters, and developed in combination with China’s national conditions for our country. The condition of corn silage silage harvester, so far, the models imported from Germany and Russia have evolved into many domestic models. Now the domestic corn straw silage harvester has self-propelled, suspended, supporting power tractor, special chassis, combine harvester chassis. And some can be used more than one machine, can not only harvest corn stalks for silage, yellow storage, but also harvest pods. The characteristics of corn straw silage harvester operations are: high operating efficiency, straw smashing effect is good, straw left about 18cm, artificial labor intensity is low.

The corn straw silage harvester has been rapidly developed in recent years, in addition to the advantages of the machine itself, but also because the outside has also given a good development environment. From the central to local areas, the comprehensive utilization of straw is very important. The comprehensive utilization of straw is very beneficial to the development of corn silage silage harvesters. China is a large agricultural country. The annual output of crop straw is 650 million tons, of which about 50% is used as fertilizer and feed, 30% is used as fuel and industrial raw materials, and about 20% of straw is not used effectively. In the autumn harvest season in rural areas, large amounts of straw are not timely and properly disposed of, and some areas have adopted large-scale, centralized burning methods. This has not only caused serious atmospheric pollution, affected people’s normal lives, and endangered people’s physical construction. Kang has affected the normal operation of public transport facilities such as civil aviation, railways, and expressways, and the resulting fires and other accidents have caused varying degrees of economic losses every year. According to rough statistics from Henan Province, the province’s annual direct economic losses caused by straw burning are as much as 1 billion yuan.

The characteristic of the corn straw silage harvester is harvesting and smashing the straw and the ear of corn as feed storage. Only corn stubble is left in the field, and the crop can be sown simply by rotary tillage. The traditional harvest is to manually take out the ear of corn. The maize stalks were manually cut off and transported out of the field, and then sown. Although the benefit of corn silage is slightly lower than that of corn alone, silage increases the utilization rate of straw, and reduces the operating links and labor intensity. To increase silage efficiency, we can increase the benefits by changing the spacing and spacing of the original planting, increasing the planting density, and increasing the yield per mu. In recent years, the Chinese dairy cattle breeding industry has received full attention from the leaders of the country up to the common people. The Chinese dairy industry has ushered in an unprecedented opportunity for development. At present, the number of dairy cows in China reaches more than 8 million heads, and the annual milk production reaches 17 million tons. Corn silage silage is the best feed for dairy cows. However, at present, the silage of corn stalks except for the cutting of corn stalks by rakes is mainly manual. In some places, corn stalks are even chopped and silaged by artificial grass cutters. Artificial silage not only has high labor intensity, low work efficiency and high cost, but also affects the silage quality of corn straw. The silage harvested from the corn stalk silage harvester has acid odor, rich in crude protein, crude fat, crude fiber, and minerals, and has a long shelf life, allowing livestock to feed for a long time. Silage improves crude fat by more than 11%, reduces crude fiber by 28%, improves digestibility by 20%, and is beneficial to the absorption of various nutrients compared to naturally air-dried corn stalks. Through experiments by relevant departments, feeding silages can increase milk production by 10% to 20% compared to cows fed dry feed, and the quality of milk has also increased, which has increased income for farmers.

It can be seen that with the further development of China's dairy cattle breeding industry, corn straw silage harvester will be widely popularized and applied.

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