At present, the large and medium-sized irrigated areas across the country have started spring irrigation one after another.
Since the beginning of this year, the national average precipitation has increased by 50% compared with the same period of the previous year, and the total water storage of more than 6,900 key reservoirs has increased by 16% compared with the same period of the previous year.
Large and medium-sized irrigation areas across the country start spring irrigation and water supply is guaranteed
There are more than 7,000 large and medium-sized irrigation areas across the country, and more than 3,300 of them have spring irrigation tasks. The planned area for spring irrigation is 240 million mu and the water supply volume is 37 billion cubic meters. It is the main battlefield of spring irrigation.
Up to now, more than 13 million mu of large and medium-sized irrigation areas in 15 provinces (autonomous regions and municipalities) and Xinjiang Production and Construction Corps have been irrigated.
The current focus of spring irrigation is the winter wheat area, mainly in Hebei, Shanxi, Shandong, Henan, Hubei, Hunan, and western regions such as Shaanxi and Xinjiang. Large-scale spring irrigation will be launched in early March.
Since the "Thirteenth Five-Year Plan", the state has invested more than 70 billion yuan in the construction of supporting facilities and water-saving renovations in more than 1,000 large and medium-sized irrigation areas. The area is more than 13 million mu, the irrigation area is improved by more than 100 million mu, and the new grain production capacity is 15 billion catties, which provides effective support for grain production and the economical and intensive use of water resources.
In order to ensure the orderly development of the spring irrigation work, the Ministry of Water Resources will issue a notice in the near future to fully deploy the spring irrigation scheduling work, and guide all localities to take effective measures to ensure the production of water for spring ploughing.
Wang Huan, Director of the Irrigation and Water Saving Division of the Rural Water Conservancy and Hydropower Department of the Ministry of Water Resources: Fully tap the storage capacity and water supply potential of existing water conservancy facilities, strengthen the scheduling of reservoir and river control projects, and strive to increase the amount of water available for irrigation.
According to the weather, moisture content, crops and other conditions, timely optimize and adjust the irrigation and water supply plan, organize irrigation area technicians to go to the front line of spring irrigation and drought resistance, and effectively help grassroots and farmers to solve practical problems in spring irrigation and drought resistance and spring ploughing production.
A batch of water conservancy projects across the country stepped up construction to ensure spring irrigation
Spring ploughing and preparation for ploughing, water conservancy first.
In order to ensure the water for spring irrigation, a number of water conservancy projects are being built in various places.
The Chentianhe Irrigation Area Expansion Project is located in Yongzhou, Hunan. In the past few days, in the Hubanshi Tunnel, the longest tunnel on the right main canal of the project, more than 10 workers are busy tying steel bars and pouring concrete.
Bao Chunhui, deputy manager of the Chentianhe Project of China Railway Fifth Bureau: Working overtime and 24-hour cycle operation, with continuous efforts, there are currently only about 270 meters of lining work left, and it is expected that the main project will be completed around April 20, 2022.
Hubanshi Tunnel is one of the most difficult and difficult projects to control the construction period of the whole line. The total length of the tunnel is 4814 meters. After the completion of the main tunnel project, the main canals of Yongzhou Jianghua and Daoxian Chentianhe Projects will supply farmland irrigation area of 750,000 mu through the branch canals in various places, which will serve the downstream people. Sufficient water is provided for farmland irrigation and living.
In Henan, all major water conservancy projects in the province have returned to work, with a 100% operating rate.
The Xixiayuan Water Conservancy Project is one of the 172 major water conservancy projects in the country for water conservation and water supply.
In the past two days, at the construction site of the Chuanqinhe tunnel in Wuzhi, Henan, the workers are carrying out the door breaking operation. It is expected that the entire Chuanqinhe tunnel will be fully penetrated in early March.
Li Pengfei, head of the Chuanqin project in Xixia Institute of China Hydropower Seventh Bureau: For the water-rich and weak stratum that passes through the Qinhe River, we adopted the mud-water balance shield method for construction.
To ensure the quality and safety of the project.
The secondary lining construction will be carried out after the tunnel is penetrated.
In order to ensure the smooth water diversion and unobstructed irrigation of farmland this year, Anji County, Zhejiang Province invested 150 million yuan to start the construction of the Fushi Reservoir Irrigation Area Continued Construction Supporting and Water-Saving Transformation Project, which has been completed by 70%.
The stone-bearing canal, which has been in service for nearly 30 years, has been independently designed and transformed by the Anji County Water Conservancy Department. Technical reforms have been made to the gates, water diversion channels, and water storage tanks to solve the original low irrigation rate problem.
Ling Hongfeng, person in charge of the continued construction and water-saving renovation project of the Fushi Reservoir Irrigation District: At present, 9 of the 14 aqueducts have been completed.
After the restoration, the effective water utilization coefficient will be increased from 0.608 to 0.63, and the irrigation water saving can reach 2.3 million cubic meters.
Various localities take various measures to ensure spring irrigation
Spring irrigation in my country is mainly concentrated in the winter wheat areas of North China and the Huang-Huai-Hai Plain.
Chengai National Large-scale Yellow River Diversion Irrigation Area covers more than 800,000 mu of farmland in Liangshan County, Shandong Province.
Right now, the Liangshan County Water Affairs Department is dredging the Yellow River Main Canal to ensure that the water from the Yellow River can be drawn in and used.
Liu Shengjun, director of the Liangshan County Yellow River Diversion Irrigation Affairs Center: The dredging workload is roughly 8,000 cubic meters.
At the same time, we also engaged in the construction of water conservancy in winter and spring, so that the rivers, canals, ditches and ponds are connected and connected, so as to prepare for the diversion and storage of the Yellow River water.
In order to optimize the allocation of water resources, this year, the Handun Irrigation District in Shandong has diverted water at different peaks, diverting more than 6 million cubic meters of Yellow River water to the remote areas of Zhanhua in Binzhou ahead of schedule.
Liu Baoli, Deputy Director of Handun Irrigation District Transportation Management Office, Binzhou Yellow River Diversion Irrigation Service Center: Take advantage of the opportunity when spring irrigation has not yet been carried out in the upstream of the irrigation area, make a good time difference, and focus on supplying water to remote areas downstream of the irrigation area.
At present, 41 large-scale irrigation areas in Shandong Province have formulated spring irrigation work plans. During the spring irrigation period, it is planned to divert 2.43 billion cubic meters of water, and the irrigated area reaches 22.63 million mu.
In Hebei Province, 55 large and medium-sized irrigation areas have formulated spring irrigation plans, with a planned water supply of 1.077 billion cubic meters and a planned spring irrigation area of 5.916 million mu.
Up to now, the five major reservoirs, namely Longyangxia, Liujiaxia, Wanjiazhai, Sanmenxia and Xiaolangdi, have a total water storage capacity of 32.72 billion cubic meters, of which the water storage capacity of the mainstream Longyangxia and Xiaolangdi reservoirs is 1.113 billion more than the average value of the past ten years. cubic meters and 916 million cubic meters.
In order to ensure the spring irrigation water supply in the middle and lower reaches of the Yellow River, the Yellow River Water Conservancy Committee of the Ministry of Water Resources increased the discharge flow of the Xiaolangdi Reservoir from 1,000 cubic meters per second to 1,200 cubic meters per second.
Ke Sujuan, Deputy Director of the Water Diversion Bureau of the Yellow River Water Conservancy Commission of the Ministry of Water Resources: Next, arrange the Shandong and Henan River Affairs Bureaus to strengthen the operation, maintenance and maintenance of the canal head gates to ensure the safe operation of the culvert gates for the Yellow River Diversion; take staggered irrigation measures , to ensure that the irrigation area at the end of the canal system can also be irrigated with water.
Beijing Pinggu: Strengthen technical guidance and vigorously develop greenhouse vegetable industry
In the past two years, Pinggu District of Beijing has developed the greenhouse vegetable industry with facilities, upgraded and transformed greenhouses, and strengthened technical guidance and training, so that the greenhouse vegetable industry has become a rich industry.
Right now, in the greenhouse in Shandongzhuang Town, Pinggu District, tomatoes are all over the branches.
In recent years, Zhuang Town, Shandong has vigorously developed the greenhouse vegetable industry, and gradually transformed the vegetable industry in the town to a scientific planting, large-scale development, and industrialized business model, forming an integrated model of "production, processing, and sales".
At the same time, the local area also regularly invites experts to give lectures in the field to carry out planting management technical training for fruit and vegetable farmers, and comprehensively improve the technical level of planting management and green prevention and control of diseases and insect pests.
Yao Baogui, agricultural technical instructor: We provide guidance to farmers in terms of planting management, pest control and other aspects, timely solve problems encountered by farmers in the process of planting, and answer their questions in real time.