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为了验证农业综合节水研究成果,1989年延庆县农业局和我院作物所共同在该县大榆树乡及井庄乡搞了两块高产试验田.尽管今年玉米全生育期遇到特大干旱,灌浆期阴雨低温,秋霜提早了10天,试验田玉米仍然生长良好,亩产都接近吨粮.
In order to verify the results of agricultural comprehensive water-saving research, in 1989, Yanqing County Bureau of Agriculture and the Institute of Crops jointly carried out two high-yielding experimental fields in Dayulushu Township and Jingzhuang Township in the county. Although this year’s corn had a particularly severe drought during its whole growth period, Period of overcast and cold, autumn frost 10 days earlier, experimental field maize is still growing well, close to tons of grain per mu.