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The specialized subjects ot tillage, planting machinery and plant protecting machinery are the early-established ones in CAAMS. In nearly 50 years, we have been closely tracing the developing trend of foreign advanced technology and have achieved leading position in these fields; made a great contribution to the technological innovation and the scientific progress of the industry. CAAMS accomplished nearly 100 national science and technology projects in all these years, of which about 40 were granted the prizes for their achievement in science and technology at national, ministerial and provinciallevels.ln 1970's, the research and design of northern series plough, harrow, general-purpose precision seeder, grain seeder, sowing and tilling general-purpose machinery and so on have been finished by CAAMS, and we organized engineers to research and manufacture the

(Rice High-speed Transplanting Machine)
knapsack power sprayer. In 1980's, the research and manufacture of the shared plough, disk harrow, scarifier-plough machine, wheat I corn precision seeder matched with large- and mid-horsepower tractor, as well as the shared plough, diskharrow and diaphragm pump, roller pump, axial-flow fan, suspension boom sprayer, large-scale trailed sprayer and garden mist sprayer matched with smallhorsepower tractor were finished. Since 1990's, in order to meet the requirement of agricultural development in China in the new century, we fulfilled the development of drived disk plows, small multi-function cultivator, scarifier-plough combine, wheat side deep precision terti-seeder, wheat non-tillage seeder, corn non-tillage precision seeder, small seed seeder, trans-planter, alfalfa (grass) seeder, garlic trans-planter and rice high-speed transplanter as well as the series low-volume nozzle, wide wind tunnel boom sprayer, large-volume diaphragm pump, series locust-killing tools and etc. When entering into the new century, the specialized subjects of the cultivation,planting and plant protection under the support of National"863"Plan and the 10th Five-Year Plan for National Economic and Social Development, the R&D of precision agricultural technological equipment have been overall undertaken based on modern information technology and digitalization agricultural technology. |