您要查找的是不是:
- Introduction Test of Pinus Sylvestris L. 欧洲赤松引种试验。
- The types of plant species in the forest of Pinus sylvestris in Daxing'anling Mountain area 大兴安岭樟子松林组成植物种的分布区类型
- The area types of plant genera in the forest of Pinus sylvestris in Daxing'anling Mountain area 大兴安岭地区樟子松林植物组成属的分布区类型
- forest of Pinus sylvestris 樟子松林
- Diversity Changes Study of Natural Restoring at Early Stage After Fallow on Vegetation in Clear-Cutting Forestland of Man-Made Sand-Fixation Forest of Pinus sylvestris var. Mongolica 樟子松固沙林采伐迹地撂荒后植被自然恢复多样性的研究
- Study on the initial planting density and its adjustment of Pinus sylvestris var. Mongolica Litvin. Artificial forest in the sand land. 沙地樟子松人工林初植密度及其调控研究。
- Natural regeneration of Pinus sylvestris var. Mongolica plantation on sandy land. 樟子松人工固沙林天然更新特征。
- Research On the Correlation Between Crown Width and D.B.H of Pinus sylvestris var. 与相似的文献。
- Macrospore metrocyte of Pinus sylvestris var. mongolica developed to female gametophyte containing female gamete-egg by a series of changes. 摘要樟子松大孢子母细胞经一系列变化,发育成雌配子体。
- Zhanggutai lies on the verge of south east of keerqing sand,is subarid area , and is the earthest introduction area of pinus sylvestris var.mongolica. 章古台沙地位于科尔沁沙地的东南边缘,属半干旱地带,是最早进行樟子松引种的地区。
- Based on extensive literature review, the introduction and afforestation techniques of Pinus sylvestris var. mongolica live were elaborated in detail. 摘要通过查阅相关文献,对沙地樟子松的引种栽培及造林技术进行了详细的阐述。
- Selected production and processing of Pinus sylvestris, Finland wood, Southern Pine, Meranti and other anti-corrosion, charring wood products. 精选生产加工的樟子松、芬兰木、南方松、柳桉等防腐、炭化木制品。
- The results of water balance analysis were that the rainfall meet the requirement of 28.1% of water consumption of Pinus sylvestris var. mongolica, 36.3% of Populus alba. 对3种乔木的耗水量和降水量进行水分平衡分析;结果表明:同期降水总量只能满足樟子松蒸腾耗水量的28.;1%25、新疆杨的36
- Using ALA, the quality of the young seedlings of Amorpha fruticosa and the rate of forestation survival of Pinus sylvestris, Pinus tabulaeformis and Platycladus oriental were observed. 以紫穗槐种子为材料,采用土壤表面喷施和叶面喷施方法,研究了ALA对紫穗槐幼苗生长的影响;
- Forest of Cuptessus funebris, Forest of Cunningghamia lanceolata, Forest of Cryptomeria fortunei, Forest of Quercus acutissima, Forest of Pinus massoniana, Cunningghamia lanceolata, have similar laws. 柏木林,杉木林,柳杉林,麻栎林,以及马尾松与杉木的混交林具有与之有相似的性质。
- Seedlings of Pinus sylvestris var. mongolica 樟子松苗木
- Study on the Biological Properties of Soil under the Mixed Forests of Pinus tabulaeformis Carr. And Robinia pseudoacacia L. 油松刺槐混交林土壤生物学特性研究。
- virgin forest of Pinus koraiensis 原始红松林
- fruit forest of Pinus koraiensis 红松果林
- Pinus sylvestris vat. mongolica Litv. 樟子松