Weeding is an indispensable part of agricultural production. Every year, all kinds of weeds emerge in an endless stream in farmland, and their vitality is no less than "little strong", so farmers need to weed over and over again.
Because weeds will seriously affect the growth of crops and the absorption of nutrients, in my country, artificial weeding was used in the early days, and chemical pesticides have been used for weeding in recent years. As a powerful agricultural country, the United States has a very "peculiar" way of weeding - "flame weeding". What kind of weeding method is this?
What are the disadvantages of traditional Chinese weeding methods?
As a major agricultural country, China has always focused on the production of crops. In the past, when the scientific and technological means were not developed, the most common weeding method in my country was manual weeding.
I remember that when I was a child, during the farming season, from the end of cultivation until the crops grew and mature, there was hardly any time to rest during this period, because every time the weeds in the fields experienced a rain, a new batch of weeds would grow. grass, which requires farmers to weed again.
So it is really like what the ancient poems say, "the wildfire can't be burned, and the spring breeze blows again", and the growth rate of weeds is very fast, and the efficiency of artificial weeding is very low.
Later, with the advancement of science and technology, herbicides gradually entered the field of vision of farmers, which also let the farming people breathe a sigh of relief. After all, this is a chemical composition, and its power is still very large, which can easily and effectively remove weeds.
But in fact, the effective time of herbicides is also limited. Most of them can only be guaranteed for one year, and many cannot even be guaranteed for a year. Therefore, farmers will spend a lot of money on the purchase of herbicides. .
More importantly, in recent years, due to the use of chemical agents, environmental pollution has become more and more serious, so herbicides have also become a "dilemma".
The "flame weeder" invented by the United States eliminates all disadvantages
In order to easily solve the problem of weeds, scientists from all over the world are working hard to study. At this time, a company in the United States invented a "flame weeder" to eliminate all these drawbacks of weeding in China.
It is not difficult to see from the name that this is a weeding method that uses flames to burn weeds to death. The structure of the machine is mainly to connect a flame jet frame behind the agricultural machinery. In principle, it is similar to a planter, except that this machine does not release seeds, but flames.
It is understood that the fuel of this flame is a clean flammable gas. The temperature of the flame sprayed by the equipment can reach as high as 2000 degrees Celsius, which can not only burn the weeds in the fields, but also kill all kinds of harmful bacteria and bacteria on the surface of the cultivated land. Eggs are eliminated.
Normally, a flame weeder has 36 flame jets and can weed 30 acres per hour. This invention can be said to fundamentally solve the problem of weeds that troubles farmers.
In fact, the method of weeding with fire is also used in China, but the method is different. We are in a famine after the autumn harvest of crops.
The main method is to burn part of the straw. In addition to achieving the effect of weeding, plant ash is also a good fertilizer rich in potassium. However, this method has one of the biggest drawbacks, that is, it pollutes the environment, and windy weather can even cause fires, so now Our country expressly prohibits the act of famine.
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