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Gao Xiangzhao, Director of the Water Saving Agricultural Technology Division of the National Agricultural Technology Extension Service Center organized our forces in recent years, integrated and promoted key technologies, and promoted the localization and lightweight development of water and fertilizer integration technologies. The first is to carry out integrated research, which has drastically reduced the cost to less than 200 yuan per acre per year, which is lower than ordinary irrigation. Second, the focus is on food crops such as corn, wheat, and potatoes. The complete reversal of water and fertilizer integration is only suitable for cash crops. Misconception; Third, innovative new fertilizer theory, the development of new water-soluble fertilizer, successfully solve the plugging problem, and create a new direction for fertilizer development. Promote water and fertilizer integration from the facility to the field, from the economic crops to food, the area has grown to more than 3,000 acres, more than 50% of corn, wheat, potatoes, cotton and other field crops. Practice has shown that the integration of water and fertilizer technology to increase production, improve efficiency, save labor, and provide ecological safety benefits are significant. Application of water and fertilizer integration technology, corn yield increase of more than 200 kilograms, potato yield increase of more than 1,000 kilograms, cotton yield increase of more than 30 kilograms of seed cotton, vegetable yield increase of more than 500 kilograms, increase production of fruit trees more than 200 kilograms; Above cubic, the utilization efficiency is increased by 20%~50%, the fertilizer is 20%~30%, the fertilizer utilization rate is increased by 20 percent, and the watering and fertilizer application is saved by 80%. It can effectively reduce the leakage of water and fertilizer, reduce the occurrence of pests and diseases, reduce the amount of pesticides, and reduce the negative impact on the environment.
In recent years, the National Agricultural Technology Extension Service Center has organized the integration of water and fertilizer technologies on different crops in various regions and has achieved good results. In the Kunli Apple Demonstration Garden in Yingfang Village, Nanshao Town, Changping District, Beijing, the technology model of “circumferential drip irrigation + irrigated rice irrigation + straw mulching grass cover†is used to save 75 cubic meters of water per mu and increase the income by 1,045 yuan. The demonstration technology of the integration of micro-spraying with water and fertilizer for winter wheat in Hebei province has increased the yield by about 20%, and the yield per mu from 550 kg to nearly 700 kg in the case of less than half of the irrigation water volume, which has refreshed the history of high production in Hebei Province. Large-scale demonstrations in recent years have shown that water and fertilizer integration technologies can be applied to crops such as corn, wheat, and potatoes to increase the water production efficiency to more than 2 kg per cubic meter, and the yield per unit of grain is greatly increased by 20% to 50%, and the maximum increase in production is 1 time.
Shen Botai Biotechnology Co., Ltd. Chairman Wang Ronghui A comprehensive balance of water-soluble fertilizer, rapid fertilizer effect, high crop absorption and utilization, water-saving, labor-saving, easy to burn seedlings, strong applicability, can increase the fertilizer utilization rate of more than 50%, fertilizer More than 30%. Promoting basic professional water-soluble fertilizers, changing farmers' traditional fertilization habits, and advancing the development of water and fertilizer integration are also the needs of the times. However, at present, there are still many problems in water and fertilizer integration. For example, water-soluble fertilizers are not compatible with irrigation and fertigation facilities. The criteria for water-soluble fertilizers are not rigorous and lead to the mixture of various brands of fertilizers and dragons. The market is rather chaotic and the establishment of farmland water conservancy facilities and fertilizers are unified. The system is very urgent.
Guo Xinglong, General Manager of Hebei Menggan Water-soluble Fertilizer Co., Ltd. Water-saving agriculture is the strategic direction of China's agricultural modernization, water and fertilizer integration technology will be the core content of water-saving agriculture, and as an important carrier of water and fertilizer integration technology, water-soluble fertilizer will also welcome To develop opportunities. Traditional fertilizers (compound fertilizers, compound fertilizers) can not be used for water-saving irrigation due to the large amount of impurities and water-insoluble substances that can easily clog the emitters and nozzles. Compared with traditional fertilization, water-soluble fertilizers can greatly reduce fertilizer input, reduce the consumption of coal, natural gas, and hydropower resources, reduce the consolidation and salinization caused by excessive use of fertilizers, and reduce the incidence of disease and disease in crops. Can protect the soil environment, increase crop yield, improve fruit quality, and protect the green and pollution-free production of agricultural products.
In recent years, grain production has increased year after year, and fertilizer input has played a pivotal supporting role. However, overuse and inappropriate application of chemical fertilizers have also brought many problems. No matter whether it is in the northeast of “large grain storehouse†or in the “hometown of vegetables†Shandong Shouguang, there have been cases in which fertility has been reduced and even soil consolidation has occurred due to the annual application of chemical fertilizers. At present, the fertilization rate per unit area in China is 1.6 times that of the world average. The traditional fertilization method leads to a lower utilization rate of chemical fertilizer than in developed countries, and it is imminent to change the mode of fertilization. As a new type of fertilization with energy saving and efficiency enhancement, water and fertilizer integration is of special significance to China where per capita water resources are only one quarter of the world average, especially in the northwestern region where water is severely deficient. The following three kinds of views come from the China Farmers Mobile News (Agricultural News), and call for promoting the promotion of water and fertilizer integration technologies.