China is the world’s largest food producer and consumer, with an annual total grain output of approximately 500 million tons. However, the loss of grain in the process of threshing, drying, storage, transportation, processing, and consumption after grain harvesting in China is as high as 18%. Among these losses, because of climatic reasons, the food that the grains could not dry out late or did not reach safe moisture and cause moldy, germinate and other losses was as high as 5%. Therefore, the mechanization of grain drying is more important than the mechanization of field operations. It is an important guarantee for the high yield and harvest of grain.
There are three major constraining factors in the development process of China's grain drying machinery: First, China's agricultural labor force continues to increase, and the vast majority of surplus labor force is in rural areas. The pressure on surplus agricultural labor is huge, which undoubtedly has an adverse effect on the growth of labor grain drying machinery. . The second is that the growth of farmers' income is slow, which will directly affect the farmer's ability to purchase agricultural machinery. Third, the agricultural machinery support policy is not in place.
At the same time, it should also be aware of the large investment in grain drying machinery and the long recovery cycle of funds, and the low level of industrialization of farmers. The service systems and mechanisms of large-scale social production organizations are far from forming high grain-containing ratios of raw grains, uneven moisture, and drying machinery. Higher performance and quality requirements are all unfavorable factors in the development of grain drying machinery.
Although there are many unfavorable factors in the development of China's grain drying machinery, there are still many opportunities. First, the state attaches great importance to grain production and forms a good policy environment such as economic support, price subsidies, and tax incentives; second, the development of agriculture is The important part of mechanical drying is not opened; the third is that there are many types of drying machinery on the market, and utility model machinery and technical service support are available for selection and promotion; the fourth is the model of rapid expansion and cross-regional operation of the combine harvester. Large amounts of grain need to be dried quickly and quickly. Future development of drying machinery is very large.
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