First, the basic situation:
1. Source of the project: During the "6th Five-Year Plan" period, the State Science and Technology Commission issued one of the projects of the "Integrated Technology Research for Increasing Production in the Sanjiang Plain Agricultural Area." National research project.
2. The project passed the appraisal committee composed of 20 experts and scholars, including renowned experts from soybean science circles in China, including Wang Jinling and Zhang Zijin. In December 1985, the project was identified as the correct direction of the study, and the measures were appropriate and effective. The post-planting crops also have significant yield-increasing effects. They have made breakthrough development in comprehensive research and supporting technologies and agreed that the research results have advanced levels at home and abroad and are an outstanding scientific and technological achievement. It is recommended that relevant departments actively promote their applications. In September 1987, the project won the second prize for scientific and technological progress in Heilongjiang Province.
Second, the main content and technical and economic indicators
1. Technical characteristics, relevant parameters, and indicators: Based on the interdependent relationship between the local natural ecological environment and the growth and development of soybean, the comprehensive agricultural technology system composed of three ridges has the characteristics of coordination, orderliness and completeness. . Compared with traditional cultivation methods, the average yield per mu increased by 23.5%.
2, simple operating procedures, promotion of the required conditions and related supporting technology, etc.: Technical points: 1 ridge body, ditch spacing deep loose. 2 layered deep base fertilizer, seed fertilizer, top dressing. .3 Double Precision (Quantity) On Demand. The combination of ridge cultivation and ridge cultivation with these three new technologies was abbreviated as the “three-ridge†cultivation method for soybeans. "Three Ridges" cultivation method compared with the conventional method, there are six major technical improvements: 1 change the flat turn to turn, twist, loose combination. 2 flattened as a ridge. 3 Change the shallow surface layer to apply deep layer base fertilizer and seed fertilizer. 4 to change a single broadcast on the ridge double precision on demand. 5 The single prevention and control of diseases, insects and grasses is integrated prevention and control of diseases and weeds. 6 to change a single machine for a single use. (2) Advantages of "Three Ridges" Cultivation Method: The combination of deep ridge cultivation and deep layered fertilization enhances the ability of soybeans to resist drought, decay, disease, lodging, and low temperature, and improves soils. Fertilizer, water supply, oxygen supply, heat supply, and the ability to store fertilizer, water, and oxygen. The use of ridge double-precision combination of on-demand and tillage, ploughing and pipelining, and combination of tillage and flood control combined the relationships between water, fertilizer, gas, and heat in the soil. Thus, the photosynthetic production efficiency of soybean, the utilization rate of soil water, the utilization rate of fertilizer, and the utilization rate of effective accumulated temperature are improved, and the comprehensive efficiency of herbicide elimination is improved. (3) Supporting machinery for soybean three-ridge cultivation method; according to the size of different traction forces, our school has designed three types of tillage machines: 1 medium-sized vehicle traction (54 or 75 horsepower). 2BJGL-6 double precision tiller. Can be completed once or twice, deep loose, fertilization, sowing, spraying, recombination and other repression joint operations, 70 cm ridge distance, width 6 lines, the workload per shift is 250-300 acres. 2 Large-size vehicle traction (above 100 hp) 2BJGL-12 type, the other functions are the same as that of the medium-sized machine, the width is 12 lines, and the shift operation volume can reach about 1000 mu. 3 Small car traction (12-20 hp) 2BJGL-2 type, the same function as the above two, width 2 lines. The shift workload is 40-60 acres. Combination accessories include: Spraying machinery (including seedlings with spray) Rotary hoe cultivator (including seedlings with rotary rake). (4) Soybean three-ridge cultivation method must be based on different ecological areas to develop agricultural technology implementation programs and operating procedures.
3. Expected benefits (economic, social, ecological) and market prospects for popularization and application: "Since the three-ridge technology began research in 1981, it has adopted side-by-side experimental research and demonstration and promotion methods in 1983 to increase production in trial production. The effect has been remarkable: from 1983 to 1991, it has been expanding and popularizing in Heilongjiang, Liaoning, Jilin, Inner Mongolia, Anhui, and Huang-Huai-Hai regions in China, and has saved 1.5-2 kilograms of seed per mu. Mechanization has opened up a new way for China's existing rural small tractors (mainly used for transportation) coupled with three ridge cultivation machinery, driving agricultural mechanization and development of agricultural machinery industry has played a role in promoting.
Third, the promotion of the application area and scope Soybean three-ridge cultivation method, currently widely promoted in the northeastern region, in recent years in the Huang-Huai-Hai area (Shouxihu farm in Anhui, Henan Zhumadian area) test, the results prove that the effect of increasing production is good, in the flood situation in 1991 Under the mu production are more than 150 kg. The cultivating machinery of the three-ridge cultivation method is used for sowing of crops such as corn, sorghum and sugar beets after replacing the components of the seed-discharging wheels. After many years of use, the corn, sugar beet and other crops have achieved significant yield-increasing effects.
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