速生丰产林 速生丰产用材林,是以培育用材为目标,生长快、产量高、质量好、轮伐期短的集约经营人工林,主要是要培育大径材。不同的树种有不同的速生丰产林培育标准,国家已出台杉木、湿地松等树种的速生丰产林培育标准,杨树、马尾松、火炬松速生丰产林培育标准也已制定正在报批中。杉木、湿地松速生丰产林年亩平均蓄积量要达到0.7立方米以上,杨树、泡桐、桉树要达到1立方米以上。
fast-growing and high-yield plantation 速生丰产林: 使用速生树种,给予集约培育措施,使树木快速生长。短期内达到成熟并且高产的人工林。
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...regular maintenance or service or regular tests to the safety facilities; 速生丰产林 Fast-growing high-yield forests 接入网络可行性报告的主要内容应当包括:网络服务性质和范围、网络技术方案、经济分析、管理制度和安全措施等。
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... 饲养周期 raising cycle 速生丰产林 rapid-growing and high-yield forest 太阳能燃器具 solar-energy gas appliance ...
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After initiated in Hebei province since middle 1980s,the fast-growing and high-yield plantation base has played a vital role in forestation enhancement,ecological environmental optimization,forestry industrialization acceleration,forestry sustainable development advancement,and earning increment of farmers in forested areas.
河北省自20世纪80年代中期开始营造速生丰产林,速生丰产林基地的建设为培育和增加森林资源,优化生态环境,加快林业产业化进程,促进林业可持续发展,增加林区农民收入,发挥了十分重要的作用。
参考来源 - 河北省杨树速生林培育决策支持系统若干问题的研究The main purpose of Investment behavior is profit for poplar fast-growing and high-yield plantation development, the operator’goal is to maximize profit.
发展经营速生丰产林是以盈利为主要目的的投资行为,经营者的目标是利润最大化。
参考来源 - 市场风险下杨树速生丰产林经营决策分析·2,447,543篇论文数据,部分数据来源于NoteExpress
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...
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