去年以来 ,我国著名枣树专家、泾渭枣树研究所所长郇树峰 ,带领该所科技人员进行深入理论研究和多次实验 ,大胆提出鲜食枣“高密两熟”的研究攻关课题。从实践着手 ,选育优质泾渭鲜枣苗木 ,以每 6 6 7m2 千株的高密度进行“两熟”试栽。在去年年度 ,他们建起钢骨架日光温室。经 Since last year, the famous jujube expert in our country, the director of the Research Institute of Science and Technology of the Jujube Tree 郇 Shufeng, led the scientific and technical personnel to carry out in-depth theoretical research and many experiments, boldly proposed the research topics of “high density and double ripeness” of fresh dates. Starting from the practice, bred high quality fresh dates seedlings, with a high density of 6 6 7m2 a “two ripening” planted. In the past year, they built steel skeleton solar greenhouse. through