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[ China Agricultural Machinery Industry News ] In 2017, the plant protection drone industry has entered the era, accelerating industry competition and product product transformation, and promoting the rapid development of plant protection drones throughout the industry. So, when we use the plant protection drone, how should we break the drawbacks of the traditional fight mode? Let agricultural drones popular in the agricultural market? This is a question worthy of further discussion.
The drawbacks of traditional fight drugs highlight the agricultural drones
Although the state has been strongly advocating or encouraging farmers to use mechanically operated planting, many farmers still use traditional manual knapsack sprayers for plant protection operations. The sprayer developed in the 1930s has a very low pesticide utilization rate, and there is also a risk of dripping and causing pesticide poisoning among farmers.
As more and more farmers go to work in cities, the agricultural labor force is gradually decreasing, and it is difficult to see the phenomenon of young and middle-aged farming in the village. For large planters with a hundred acres or thousands of acres, in addition to the increase in labor costs, there will be money and hard labor.
First, the application of drugs is backward, and the waste of pesticides is seriously lost.
Most farmers in China still use manual knapsack sprayers. According to the data, the effective adhesion rate of pesticides can only reach about 15% when the application method is appropriate. Under normal circumstances, the effective adhesion rate of pesticides is less than 10%. This means that a large amount of liquid is wasted and lost to the soil, water and air. Studies have shown that 40%-60% of the waste of pesticides flows directly into the soil, and 5%-30% of the liquid is diffused into the air in the form of very fine mist droplets, thereby Caused serious pollution.
Second, "opium-based treatment" caused serious pesticide residues exceeding the standard
Due to the backward spraying technology, large-capacity coarse mist spray, low utilization rate of pesticides, and poor control effect, in order to kill insects, farmers have to use pesticides to spray repeatedly, thus forming a vicious circle of "opium treatment". The worms are in the "medicine jars" from small vesicles, and the crops are also fed by the "medicine" from an early age. There is no doubt that the pesticide residue exceeds the standard.
In order to enter the international market, China's agricultural products must meet a number of international indicators, of which pesticide residues are an important indicator. At present, based on self-determined standards, the average rate of food and pesticide in China is 6.2%, and the ratio will increase if compared with international standards. Therefore, the problem of pesticide residues in agricultural products has become one of the important obstacles for China's agricultural products to enter the international market. According to a United Nations statistics, China’s annual export of 7.4 billion U.S. dollars has been adversely affected.
Third, productive poisoning often occurs
Chinese farmers use pesticides in a backward way. Pesticide water is sprayed on the crops. The drug-stricken people have to walk through the crops. Therefore, it may take only a few minutes for the clothes to be wetted by the pesticide water, and the atomizer is poorly atomized. The problem of “running, taking, dripping and leaking†is serious. The liquid medicine is easy to flow to the applicator, and the pesticide water floats in front of the eyes. Especially during the peak period of pesticide use from June to September, due to the hot weather, the clothes are thin. Productive poisoning often occurs.
Fourth, land circulation has a great demand for advanced plant protection machinery.
As a large number of rural laborers go to work in cities, the labor force engaged in agricultural production in rural areas is decreasing, which naturally pushes up the labor costs of agricultural production. In addition, the labor cost of migrant workers is higher than that of rural areas, which makes agricultural production unattractive and allows farmers to increase their labor costs for agricultural production. Even so, when large numbers of pests and diseases break out, growers will still face To the dilemma of people.
And if the price of agricultural products is higher, there is still room for profit for farmers. If the prices of agricultural products are low, they can't make money or even lose money, many farmers will give up agricultural production. In addition, rural land transfer is accelerating, family farms, large planting households are increasing, the demand for pest control is growing, and traditional knapsack sprayers are difficult to adapt to the needs of large-area, sudden pest control.
Agricultural drones provide a completely modern solution to these problems. Spraying with drones, saving time and effort and saving medicine (a flying hand, a 20-liter agricultural drone, can hit 800-1200 mu of land a day, more than 20-30% of medicine). It is also possible to implement group anti-group control in a short period of time, especially in the process of contiguous scale farm use, to prevent pests and diseases in time. At the same time, when using the agricultural drone spraying operation, when the liquid droplets are ejected from the sprinkler, the downward flow of the rotor is accelerated to form an aerosol flow, which directly increases the penetration of the liquid droplets on the crops, and reduces the penetration. The degree of pesticide loss, and increase the deposition and coverage of the liquid on the target crop, so that the "medicine" and "water" are lowered, and the treatment effect is raised.
Due to the remote manipulation, the poisoning caused by long-time exposure to pesticides is reduced. In addition, in the case of a structural shortage of young and middle-aged labor and the continuous increase of agricultural labor costs, the development of agricultural drones must play an important role in the stable development of agriculture.