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一九九三年九月,“三北地区生态经济型防护林体系建设研讨会”在黑龙江省防护林研究所召开。《生态经济型防护林体系音河示范区建设的探讨》一篇论文,引起与会五十余位专家、学者的兴趣。文章根据东北农田林网
In September 1993, the “Seminar on Eco-economic Shelterbelt Construction in the Three North Regions” was held in Heilongjiang Institute of Shelterbelt. “Eco-economic shelter forest sound river demonstration area construction” an article, attracted more than fifty experts and scholars attending the interest. Article according to the Northeast farmland forest network