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“七五”期间,由张掖地区行署农牧处负责协调、张掖地区农科所主持的“甘肃河西一熟制灌区吨粮田高额丰产栽培技术开发研究”课题,从1987年开题,到1989年完成。实行科研、生产相结合,通过93项次田间试验,揭示出亩产吨粮的技术关键是:玉米品种、密度、施氮。辅之以结构形式、小麦播量、玉米施磷、带向等。以此指导大面积生产取得了显著的经济效益和社会效益。3年累计完成吨粮面积10.545万亩,综合堕产1024.6公斤,其中小麦325.5公斤;累计新增粮食总产4653.35万公斤,新增副产品总量1214.88公斤,新增纯收益3819.5万元。
During the “Seventh Five-Year Plan” period, the Agricultural and Animal Husbandry Department of Zhangye Prefecture was responsible for coordinating the project of “Research on the Development of High-yielding Cultivation Techniques for High-yielding and High-yielding Tons of Grain Crop Fields in Hexi Irrigation Area of Gansu Province” hosted by Zhangye Prefecture Agricultural Science Research Institute from 1987 to 1989 Year completed. Implementation of scientific research, production, through 93 field trials, revealing the key technology per ton of grain production is: corn varieties, density, nitrogen application. Supplemented by the structure, the amount of wheat sowing, maize phosphorus, belt and so on. In order to guide large-scale production has made significant economic and social benefits. In the past three years, a total of 105,450 tons of grain per year was completed, with an average yield of 1,024.6 kilograms, of which 325.5 kilograms of wheat were newly added. Total new output of grain was 46,553,500 kilograms, with a total of 1214.88 kilograms of new by-products added and a net gain of 38,195,000 yuan.