In June , the wheat in the field was full and dry waiting for the harvest. The high-yield wheat field is boundless, and when you look closely at it, you can see a rainbow in the height of more than 1 meter above the ground. Lu Shaohua, head of Xixiangyang Village Cooperative of Wangxizhang Township in Zhao County, introduced that this 2,000- acre wheat field with water and fertilizer integration has been planted on the spot. The micro-nozzles laid in the field are used to deliver water for seed emergence. .
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Previously, from Beijing to Shijiazhuang Road, Dr. Gao Xiangzhao, the chief expert of the National Agricultural Technology Extension Service Center, vividly described: “The root is the mouth of the seedling, the water is the fat leg. The integration of water and fertilizer is to directly transport the water and nutrients to the root of the crop. The soil area is convenient, quick and timely, so that the crops can be drunk when they are thirsty, and they can be eaten when they are hungry. It can be said to be the 'No. 1 technology' to improve the efficiency of water and fertilizer utilization and transform the way of agricultural development.
In recent years, the state has attached great importance to water-saving agriculture and vigorously promoted water and fertilizer integration technologies. In 2012 , the Bank implemented the “Water Saving and Grain Increase†operation in four provinces and autonomous regions in Northeast China , and invested 38 billion yuan to promote 38 million mu of water-fertilizer integration technology . In 2014 , the pilot project for comprehensive treatment of groundwater over-exploitation areas in North China was launched, and water and fertilizer integration was listed as backbone technology, which was widely promoted in Hebei Province. According to experts' estimates, the area of ​​water and fertilizer integration technology suitable for various modes in North China is more than 200 million mu. If it is popularized, the average annual water saving will be 110 yuan per year and two seasons , and the annual water saving will be 20 billion square meters . The fertilizer is 15 kilograms per mu ( purified ) , and the annual fertilizer can be 3 million tons (pure).
"The people are most concerned about the labor saving." Wang Hejun, the stationmaster of the Hebei Provincial Soil and Fertilizer Station, said that now it is hiring people to pour an hour for 30 yuan. If they earn less than 200 yuan a day, they will not be hired. Han Jinkui, the person in charge of the Jinxi Planting Professional Cooperative in Yucheng, told the reporter that they have implemented 1000 acres of water and fertilizer integrated wheat fields , saving 1/3 of fertilizer per acre , saving 40% of water , saving 30% of electricity , and increasing the land by 10%. In particular, it can save 60% of labor . Zhou Rongqi, 63 , from Xixiangyang Village, Zhao County , is responsible for seeing the well. He only needs to go to the ground for 1~2 hours every day . " Switch the valve once in 10 minutes and go home to drink tea in the rest of the time."
The core of water and fertilizer integration is to dissolve fertilizer in water, irrigation and fertilization at the same time. Zhang Lizhan, chief of the Department of Water Conservation at the Provincial Soil and Fertilizer Station, said that it is easier to control the people with micro-spray irrigation, but fertilization is not so simple. Although there is no problem in fertilization technology, in some places, the fertilization tank is small, and it has to be added once in a while, and the people are too troublesome. Outside the machine room of Jinxi Planting Professional Cooperative, Wei Yuzhu, the technical director of the cooperative, introduced the control method of fertilization amount after the tank was changed to the pool. "Look, the fertilizer is very simple. This is the water level floating ruler. 200 kg of fertilizer is poured into the pool. The water level of the scale is 10 cm, and the water and fertilizer in the pool is 1 cubic meter. When the pump is unscrewed, according to the estimated time. You can know the amount of water and fertilizer delivered. In the well room, the fertilization tank is in the semi-underground, the filter on the pool, the agitator pump and the fertilizer pump under the pool, and the fertilizer port can be placed outside the well, and its height is very convenient to pour into the fertilizer. Wei Weizhu, who is known as "Wei Director", was originally the director of the Agricultural Bureau of Xiangcheng District. He is currently working on the localization of water and fertilizer integration.
Using fertilization tank instead of fertilization tank, Gao Xiangzhao commented: "This is the invention of grounding gas. It can really be on the 'I love invention' program." He believes that the next step is to design fertilization units for different modes, encouraging technicians and farmers to innovate and improve. To suit the local Daejeon. "For example, the venturi fertiliser introduced from abroad, the uniformity of fertilization has high requirements on flow rate and flow rate, and is more suitable for small-area greenhouses, which is not suitable for large fields."
The localization of Datian water and fertilizer integration technology is sure to follow the manufacturers closely. In the workshop of Shijiazhuang Dilong Plastic Co., Ltd., the in-line patch-type dropper belt was being strictly inspected by quality inspectors. Jia, general manager with extensive told reporters, although in 2012 the government has occupy the bulk orders, but the market demand is increasing year by year, from 2012 to 2014 market orders were 89, 136, 189, the amount increased from a few million dollars more than ten million yuan. Water and fertilizer integration is also inseparable from the development of water-soluble fertilizers. Gao Xiangzhao told reporters that water-soluble fertilizers were mainly imported high-end products in the past few years. Although the quality is good but the price is high, Datian grain production cannot be used at all. In recent years, domestic water-soluble fertilizers have developed rapidly. A large number of water-soluble fertilizer production enterprises such as Shenzhen Batian, Xindu Chemical, Luxi Chemical, and Shandong Jinzhengda have appeared. They are rich in variety, cheap and good, and localized and integrated in water and fertilizer integration. Entering Daejeon provides strong support.
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