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结球莴苣加倍密植循环式水培模式及其应用效果王玉彦，陶正平，贾卫国，程达武（中国人民解放军农牧大学农学农机系·长春）秦天时，田省生，程彦武，吕占新，刘天宝（中国人民解放军兰州军区后勤部军需部·长春）第一作者简介：王王彦，男，生于１９６３年，山东莒县人，...
Double levitation and close planting hydroponics model and its application Wang Yu-yan, Tao Zheng-ping, Jia Weiguo, Cheng Da-wu (Department of Agronomy and Agronomy, Chinese People’s Liberation Army University of Agriculture and Changchun) Qin Tianshi, Tian Jsheng, Cheng Yanwu, Lu Zhanxin, Liu Tianbao (Chinese People’s Liberation Army Lanzhou Military Region Logistics Department Quartermaster) Changchun first author: Wang Wang, male, born in 1963, Shandong Pixian, ...