It is forbidden to burn straw to start with why farmers burn straw. According to the survey: First, the labor force engaged in agricultural production is old and maternal, and it is not competent to collect and transport the straw scattered in the farmland in a short period of time; secondly, with the improvement of rural living conditions, the role of straw as the main living energy in rural areas is not; Third, with the rise of large-scale aquaculture, the role of straw as a farmer to disperse aquaculture feed is not; fourth, the level of agricultural production has increased, and the production of farmland straw has also increased significantly. Straw is a “waste†for farmers, and incineration is the easiest way to handle it. Solve the problem of burning straw: First, find ways to make the straw worthy; second, find a way to economically and easily remove the farmland.
At present, through the pilot exploration, straw returning, power generation, paper making, production of edible fungi, weaving, etc. have been proposed. The main way of straw utilization is straw returning. However, the survey found that most farmers are not willing to return the straw to the field: First, returning the crops to the next crop to cause seedlings and causing difficulties, resulting in reduced production; second, returning the fields requires smashing deep tillage, increasing agricultural machinery operations, and higher costs.
The convenient and quick removal of farmland is the basic link and the first step to solve the efficient utilization of straw resources. At present, most of the farmland harvesting machinery in China is designed with rapid harvesting and threshing as the starting point. The survey found that Shandong and Henan provinces have adapted to the characteristics of China's farmland, and the combine harvester has improved the integrated machine for the square baler. Such harvesting methods are welcomed by farmers, and grassroots agricultural machinery departments are also considered to be the development direction. To this end, it is recommended to increase the R&D and promotion of integrated harvesting equipment. Considering the two-step implementation, the first step is to subsidize the existing combine harvesting equipment. The second step is to optimize the design of the integrated combine harvester with the goal of facilitating the removal, and gradually replace the existing combine harvester.
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