The growth rhythm of young plantations of Eucalyptus dunnii;
邓恩桉人工林幼林生长规律
Investigation on Myospalax fontanieri attacking young plantation in eastern Qilian Mountains;
祁连山东端中华鼢鼠对幼林危害的调查
In order to offer technical support for efficient management and speeding up extension and application of fine clones in Camellia oleifera,characteristics of reproductive growth and yield structure of GLS clones young plantation in C.
为给油茶优良无性系的高效经营及加快推广应用提供技术支撑,对GLS高产无性系油茶幼林始产期的生殖生长特性及产量结构特征进行了静态与动态分析。
Researches on effectiveness of fertilization for young forests of Eucalyptus dunnii;
邓恩桉幼林施肥效应研究
young forest and shrub grass land in Southeast Guangxi were continuously inspected for 6 years.
为了探索马尾松幼林主要气象要素随林龄的变化规律 ,于 1991~ 1996年期间对广西桂平市蒙圩镇辖区内的马尾松幼林进行定点观测 。
Technical measures,effects and benefits of chemical weeding in young eucalypt plantation tending were analyzed in this paper.
简述和分析了化学除草技术在桉树幼林抚育中的技术措施、效果和效益。
Summary and exploration of technology and theory on tending unmature forest in Beijing Ciry;
北京市中幼龄林抚育技术和理论的总结与探索
Studying on Agro-forestry Modes of Young Eucalyptus Plantation;
桉树人工林中幼林林农间作模式研究
In case that firewood cutting and grazing in seedling forests and forests with special uses have led to the destruction of forests and trees
在幼林地和特种用途林内砍柴、放牧致使森林、林木受到毁坏
The country has organized a designated forest protection brigade to protect young growth from being damaged.
乡里专门组织了护林队保护幼林不被破坏。
Firewood cutting and grazing shall be forbidden in seedling forests and special-use forests.
禁止在幼林地和特种用途林内砍柴、放牧。
Investigation of Young Plantation Quality of World Bank Loan Afforestation Project in Liaoning Province;
辽宁省世行贷款造林项目幼林质量的调查分析
Carbon sequestration of young Robinia pseudoacacia plantation in Loess Plateau
黄土高原刺槐人工林幼林生态系统碳吸存
Study on Wind-resistance of Young Eucalypt Plantation at Different Stand Density
不同林分密度桉树幼林抗风性比较研究
Relations of stand density and the biomass of the artificial young Larix principis-rupprechtii forest
华北落叶松人工幼林林分密度与生物量的关系
Preliminary Study on young forest tending about plantation of Larix
落叶松速生丰产林幼林抚育实验研究初报
Effects of Different Cultivation Measures on the Growth of Castanopsis fissa Plantations
不同造林技术措施对黎蒴幼林生长的影响
Analysis on the Differences in the Growth of Different Species of Urban Forest in Xiamen
厦门城市森林改造不同树种幼林生长差异分析
(6)shield:spot sowing Cajanus cajan in spacing.
(6)幼林庇荫措施,采用直播木豆的方法。
Soil Fertilities of Young Michelia Macclurei and Rhodolcia Championii Stands
火力楠和红苞木幼林的土壤肥力研究
Effects of Different Tending Methods on Growth of Young Cunninghamia lanceolata Plantation
不同抚育方式对杉木幼林生长的影响
Biological Cycling of Nutrient Elements in Young Eucalyptus urophylla×E.grandis Plantation
尾巨桉人工幼林营养元素的生物循环
Study on the Growth Variance and Selection of Young Forests of Pinus elliottii×P.caribaea Different Families
湿加松不同家系幼林生长变异及选择
Fertilization Effect on Fruiting of Young Jatropha curcas Plantations
不同施肥处理对膏桐幼林结实的影响
Effect of Seedling Age on Tree Growth in Yunnan Pine Juvenile Stand
苗龄差异对云南松人工幼林林木造林当年生长影响的研究