Soil seed bank and natural regeneration in an old-growth Cryptomeria fortunei stand on Mount Tianmu;
天目山老龄柳杉林土壤种子库状态与更新
The Effect of Different Mixture Models on Tree Growth and Competition Relations of Yang Stand of Cryptomeria fortunei;
不同混交模式对柳杉幼林生长的影响及竞争关系研究
Studies of Stand Structures and Biomass of Crytomeria fortunei and Michelia macclurei Mixed Forest and C. fortunei and Pinus elliottii Mixed Forest;
柳杉与火力楠、湿地松混交林分结构和生物量的研究
Physiology and Biochemistry Characteristics of Crytomeria fortunei and Fokienia hodginsii Seeds with the Ultra-Dry Treatment;
柳杉福建柏种子超干处理的生理生化特征
Study on Taper Equation and Merchantable Volume Table of Crytomeria fortunei Plantation;
柳杉削度方程及材种出材率的研究
The stand growth condition of 28 fixed sampling plots in the cryptomeria base was continuously determined from 2004 to 2008 to know the growth condition of fast-growing crytomeria forest in Guizhou Kuankoushui national nature preservation zone and to summarize the suitable soil condition and technological measures for building fast-growing crytomeria forest in other similar areas.
67 hm2(10 000亩)省级柳杉速丰林的生长状况,总结在同类地区营造柳杉速丰林适宜立地条件和技术措施,对在基地内28个固定样地2004-2008年林分生长状况进行了监测。
The article studied the process high brightness kraft pulp of cryptomeria fortunei hooibrenk.
本文对柳杉ＫＰ浆的高白度漂白方法进行了研究。
The results showed that both the tangential shrinkages of C.
对人工林日本柳杉和杉木小径材的弦向、径向和体积全干干缩率、气干干缩率及差异干缩等进行了测试。
It is studies the conventional drying of C.
本文通过对人工林日本柳杉和杉木小径圆柱材(长80厘米,直径20厘米左右)进行常规的干燥,分析了人工林日本柳杉和杉木的干缩性,人工林日本柳杉和杉木小径圆柱材的干燥特性和干燥工艺,干燥过程中含水率、温度的变化规律和小径圆柱材的力学性质,制定了相应的小径圆柱材的干燥基准和检验干燥质量的指标。
Influence of Different Thinning Intensities on the Stand Growth of Cryptomeria fortunei Hooibrenk ex Otto et Dietr.;
柳杉林抚育间伐强度试验研究
A preliminary study on the incidence of cedar pollinosis in district of Wuhan
武汉城区柳杉花粉症发病的初步研究
A Study on the Monetary Yield Estimate Model for Crytomeria Fortunei Plantation;
柳杉人工林货币收获预估模型的研究
First Report of Hoenimnema Lajonquiere in Guizhou Province and Its Risk Assessment
贵州柳杉云毛虫调查初报及风险评估
To investigate the incidence of cedar pollinosis in district of Wuhan.
目的 :调查武汉城区柳杉花粉症的发病情况。
Litters Decomposition and Soil N Translation Cryptomeria Fortunei and Castanopsis Platyacantha-Schima Sinensis Forests;
栲木荷林与柳杉林凋落物分解及土壤氮转化
Study on Extraction Technology of Flavonoids in Cryptomeria fortunei by Response Surface Methodology
响应曲面法提取柳杉总黄酮的工艺研究
Efficacy of Sendebao Powder Against Dendrolimus latipenis Walker in the Forest
森得保林间喷粉防治柳杉毛虫药效试验
Biomass of Cryptomeria japonica Young Trees on Soils from Different Rocks
不同岩性土体的日本柳杉幼树生物量研究
Influence of Disturbances on the Population Competition of Natural Cryptromeria fortunei in Tianbaoyan National Nature Reserve
干扰对天宝岩天然柳杉种群竞争的影响
The Initial of Soil Carbon and Dynamics of Artificial Cryptomeria Fortunei with Different Cutting Intensity and Land Use Types
柳杉人工林不同采伐强度及不同土地利用类型初期土壤碳动态
Soil Respiration, Soil Carbon and Its Response to Simulated Nitrogen Deposition in after Clear-cutting Cryptomeria Fortunei Forest
柳杉人工林皆伐后土壤呼吸和土壤有机碳对模拟氮沉降的响应
Diurnal changes in the negative ion concentration of the air for two Cryptomeria fortunei communities of National Nature Reserve of Mount Tianmu
天目山国家级自然保护区柳杉群落空气负离子浓度日变化特征
The Study on Species Diversity of Cryptomeria fortunei Community at Different Altitude Levels in Tianbaoyan Nature Reserve
天宝岩自然保护区不同海拔天然柳杉林物种多样性
Detecting Sound Knots and Dead Knots on Sawn Sugi Lumber Using Grey Level Co-Occurrence Matrix Parameters
基于纹理特征的柳杉锯材表面节疤缺陷的自动识别
A Study on the Spatial Distribution Pattern of Natural Cryptromeria fortunei Populations at Different Altitudes in the Tianbaoyan Nature Reserve
天宝岩自然保护区不同海拔天然柳杉种群空间分布格局研究
The Primary Study on the Effect of Bacillus thruringlensis-Abamectin in Preventing and Curing the Wuyanlin Dendrolimus houi Lajonquiere
绿得宝防治乌岩岭保护区柳杉毛虫药效试验的初步研究
Diurnal Variation of Soil Respiration in the Summer at Cryptomeria fortunei Forest with Different Intensity of Cut
不同采伐强度柳杉人工林的夏季土壤呼吸日变化
Locating and Identifying Sound Knots and Dead Knots on Sugi by the Rule-Based Color Vision System
基于色彩识别特征的柳杉锯材表面活节和死节的机器视觉识别系统