中科院石家庄农业现代化研究所、河北省农科院蔬菜所、河间县新能源办公室共同承担的《黄瓜砧木断根插接研究》、《地热温室黄瓜简易无土栽培》、《输油管道热开发利用》三项科研课题经过三年的努力,已于1989年12月份通过了国家部级鉴定,分别达到“国内独创”和国内先进水平,受到了专家的好评和菜农的青睐。 Chinese Academy of Sciences Shijiazhuang Institute of Agricultural Modernization, Hebei Academy of Agricultural Sciences vegetable, Hejian County Office of New Energy common commitment to “cucumber rootstock plugging study”, “cucumber geothermal greenhouse simple soilless culture”, “oil pipeline thermal development and utilization” After three years of hard work, the three scientific research projects passed the appraisal of the ministerial level in December 1989 and reached the goal of “domestic originality” and the domestic advanced level, respectively, which were well received by experts and favored by vegetable growers.