杨树；速生丰产林；技术管理理。
同时文中给出了松嫩平原西部速生丰产林的防治指标。
At same time, the paper has also given the control index of fast-growing and high-yield plantation in the west part of Songnen plains.
同时文中给出了松嫩平原西部速生丰产林的防治指标。
At same time, the paper has also given the control index of fast-growing and high-yield plantation in the west...
在我国，速生丰产林工程已经被列入我国林业重要的技术政策和产业政策。
In China, fast-growing and high-yield plantation has been figured into national important policies of technology and industry.
在我国，速生丰产林工程已经被列入我国林业重要的技术政策和产业政策。
In China, fast-growing and high-yield plantation has been figured into national important policies of technology and industry.
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