Control methods were offered such as silviculture, quarantine, biological and chemical control.
提出了采取营林措施、检疫措施、人工、生物、化学防治等防治措施。
And the effects of the site type, silviculture density and stand age on the above indexes are studied.
并分别立地类型、造林密度、林分年龄对这些指标的影响进行了研究。
The lower limit of forest price should be determined by the current cost of silviculture and reevaluation of capital.
认为林价下限的计算应以现行营林成本和重置完全资金占用为依据；
The present situations and management models of seedling production, silviculture and fire prevention in Turkey were described.
主要介绍了土耳其林木种苗生产、营造林和森林防火现状和管理模式。
Site type and stand age can significantly influence the paper properties whereas silviculture density effect isn't significant yet.
其中，造林密度对木材造纸特性的影响不显著，年龄、立地类型均显著地影响造纸特性。
Tetraploids locust is expected to become the first selection species in silviculture and regeneration in the south of Liaoning Province.
该树种可望成为辽南地区营造速生林和普通刺槐林更新改造的首选树种。
The signification, representation, current status and realization approaches of the precision of silviculture technologies are analyzed.
文中对森林培育技术精准化的含义、内容、研究现状和实现途径进行了分析和阐述。
Forestry fund has been established recognizing that expenditures of value and material on silviculture production can not get enough compensation.
林业基金制度是在营林生产耗费得不到相应的价值补偿和物质补偿的背景下产生的。
After that measures for implementing the strategy are put forward in the aspects poplar silviculture, poplar wood processing and relevant policies.
并从杨树资源培育产业、杨木加工产业和相关政策几个方面，提出了战略实施的保障措施。
The precision of silviculture technologies is essential for plantation establishment and management, for high efficient utility of limited land and environment resources.
要利用有限的林地和环境资源高效地培育人工林，就要求森林培育技术精准化。
The Zambeze valley also includes 5.5 million hectares of land that could be used for irrigated agriculture, cattle farming, silviculture, ecotourism and other activities.
赞比西河谷有550万公顷土地可用于农业、畜牧、造林、生态旅游及其它活动。
It points out that the output value of silviculture of artificial timber stand should be divided into two parts, the output value of stumpage and the output value of cultivability.
提出处于培育中的人工用材林的营林产值应分立木蓄积产值和可育性产值两大部分，并提出划分立地类别进行产值统计的办法。
In this paper, two concepts calculated price of output value and coefficient of increment are put forward, with which the problem of calculating output value of silviculture is solved in theory.
本文提出产值计算价格和生长量系数两个概念，并运用它们，从理论上解决了营林产值计算问题。
In this paper, two concepts calculated price of output value and coefficient of increment are put forward, with which the problem of calculating output value of silviculture is solved in theory.
本文提出产值计算价格和生长量系数两个概念，并运用它们，从理论上解决了营林产值计算问题。
应用推荐