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qing yang yu bei jing yang de su sheng feng chan xing zhuang fen xi
Author(s): 
Pages: 35
Year: Issue:  11
Journal: XIANDAI NONGYE KEJI

Keyword:  北京杨青杨速生丰产性状;
Abstract: 对互助县松多林场营造的北京杨、青杨速生丰产品种试验林近10年的观测数据整理、分析后得知:北京杨与青杨相比,速生丰产性均优于青杨,是一个性状稳定的优良品种,可有计划地积极推广.
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