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赞皇大枣为我县特产,具有皮薄、肉厚、含糖量高、营养丰富等特点,畅销全国,深受欢迎。为进一步提高赞皇大枣的产量和品质,1982年将其列为:太行山区开发研究项目。在省、地科委的领导下,河北农大师生的指导下,由于加强综合管理,1984年基点产量由1983年的24万斤,增加到50.5万斤,提提产量100.4%,全县产量由1983年的203万斤,增加到372万斤,提高产量83.25%;虫果率由过去的60—70%,下降到3—10%。现根据三年的试验和调查研究,总结出以下丰产优质技术。
Zanhuang jujube for my county specialty, with thin, thick meat, high sugar content, nutrient-rich and other characteristics, best-selling country, well received. In order to further improve the yield and quality of Zanhuang jujube, it was listed in 1982 as: Taihang Mountain Development and Research Project. Under the leadership of the provincial and prefectural scientific and technological committees and under the guidance of masters and students of Agricultural University of Hebei, due to the strengthening of integrated management, the base production in 1984 increased from 240,000 jin in 1983 to 505,000 jin and the output of the extraction increased by 100.4% From 203 million catties in 1983 to 3.72 million catties, an increase of 83.25% in yield was achieved. The fruit-worm rate dropped from 3-60% in the past to 3-10%. Now based on three years of testing and research, summed up the following high yield and high quality technology.