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'Plastic Revolution' makes China's poorest places stable to solve food and clothing
In the scorching summer, walking in the countryside of Dingxi, the fields everywhere are shining in the dazzling sunshine. In this place where the poor are most concentrated in China, almost all the land planted with crops is covered with a layer of plastic film.
A simple layer of plastic cloth has made farmers start to eat well in this poor place where drought and little rain have caused poverty for two hundred years. Moreover, relying on this thin transparent plastic cloth, it has developed 1/6 of the Chinese herbal medicine planting area and 1/20 of the potato planting area in China.
relying on this layer of transparent plastic cloth, the poorest farmers in Tongwei County have an annual income of more than 2800 yuan per capita. Although this figure is more than 2020 yuan less than the target of Tongwei County in the 10 thousand well-off target set by the Chinese government, for Tongwei people who did not have enough food to eat at least 30 years ago, it is a revolution.
agricultural technology experts said that this layer of inconspicuous plastic cloth plays a role in the field in four words: temperature control and moisture preservation. In the arid region of central Gansu, which is located in the transition zone from irrigated agricultural region to rain-fed agricultural region in northwest China, evaporation is generally 3-- Four times, the harvest in the field mainly depends on whether it rains or not and whether it is the time to download the crops most. But in most cases, rain is not enough. In the past 15 years, the large-scale promotion of plastic film planting technology in this area has used this layer of plastic film to avoid evaporation of water and to preserve precious water for this most thirsty agricultural planting area in China, enable plants to grow smoothly.
at the head of Huachuan village, lijiabao town, Anding district, Dingxi city, Wu Shufang, a rural woman who is nearly 50 years old, is working on her 9 mu of mulch potatoes. In hot days, potatoes have emerged from the holes left on the mulch. What Wu Shufang has to do is to make some holes in the mulch film and help the young seedlings under the mulch film out of the hole to ensure the normal growth of the potato. ' Without this mulch, it is estimated that my land will dry out and nothing will grow. 'Wu Shufang said.
Dingxi agricultural technicians have used a lot of brains to make good use of mulch. The current popular means of increasing agricultural production is full membrane technology. Yi Yirun, who lives in Chengguan village, Pingzhen town, Tongyu county, said:' If there is no full membrane technology, we can hardly grow corn here. Without corn, I can't raise cattle. ' Yi Yirun said that after the full membrane technology, many large corn growers began to emerge in the ten-year drought. He himself is one of them.
Yang Qifeng, deputy director of the agriculture and animal husbandry department of Gansu province, said that the whole membrane technology seems simple, but it has increased the water utilization rate by more than 70%. Under normal circumstances, 1mm of precipitation in 1 mu of land can only produce 1 kilogram of grain at most, and the use of this technology can reach 2. 2 kg.
relying on mulch film, Tongwei County and Anding district of Dingxi city, which used to have no food for farmers, were awarded by the Ministry of Agriculture of China in 2011. National grain production advanced County'Title. Moreover, Dingxi city has developed three major agricultural industries: potato, corn and Chinese herbal medicine by relying on the stable agricultural production capacity brought by plastic film. The participation of some high-tech enterprises has lengthened the industrial chain, and even made 3 million mu of mulch potatoes become industrial raw materials, driving the income of farmers in the poorest part of China. Wang Xiaoxian from Guo Feng township, Anding district, said that in the 2006 s, his income on potatoes had already exceeded 1200 yuan per capita.
in Huining county, a famous poverty-stricken county in China, Liu Shengxue, the chief agronomist of the agriculture and animal husbandry bureau, is trying to grow watermelons with membrane technology. He said:' This is a basic technology that can be used in many crops. It is no exaggeration to say that this technology has saved the planting industry in the arid region of northwest China and made great contributions to the stable agricultural production of farmers. '