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辽宁省杨树研究所杨树纸浆林优化栽培模式研究课题组为了充实该课题的研究内容之─—立体经营模式的研究，于1996年春从陕西省林业科学研究所引进了多年生耐荫保健食品植物─—魔芋（AmorphophallusrivieriDurieu），并在锦州金城原种场林场的5年生杨树纸浆林下试栽。经过两年
Poplar Research Institute of Liaoning Province poplar pulp cultivation optimization research model group In order to enrich the research content of the subject ─ ─ three-dimensional business model in the spring of 1996 from the Shaanxi Provincial Forestry Research Institute introduced perennial shady health food plants ─ ─ AmorphophallusrivieriDurieu, and Jinzhou Jincheng original farm field 5-year-old poplar pulp plant planted. After two years