1.
Application of Acoustic Emission Measurement Techonology in Poplar seedlings's Needing Water Testing
声发射检测技术在杨树苗木需水检测中的应用
2.
The Dynamic Changes of Proteins and Some Endogenous Hormones in Seedlings of Poplar
杨树苗木蛋白质与内源激素的动态变化研究
3.
Research on Water Press Monitor and Irrigation System on the Basis of Virtual Instrument for Poplar Seedlings;
基于虚拟仪器杨树苗木水胁迫声发射监测与灌溉系统研究
4.
Investigations on the Exterior Factors of Affecting Buyer s Decision-Making of Poplar Saplings;
影响杨树苗购买者决策的外部因素研究——基于苏北林农的调查统计
5.
Sap Flow Characteristics of Growing Poplar Seedlings in Horqin Sand Land
科尔沁沙地杨树苗木生长过程中蒸腾耗水规律研究
6.
Study on Resistance Variation of Populus Deltoides Clones in the Seedling Stage to Tetra Lobulifera (Keifer)
杨树无性系苗期对螨害抗性变异研究
7.
Effect of Exogenous Salicylic Acid on the Content of Camptothecin in Camptotheca Acuminata Seedlings.;
外源水杨酸对喜树幼苗中喜树碱含量的影响
8.
Preliminary Studies on Seedling Growth and Energy Characters of Poplar Clones Introduced from USA;
美国引进杨树无性系的苗期生长与能源性状
9.
The Regulative Effects of Exogenous ABA and Ca~(2+) on the Growth of Poplar Cuttings;
外源ABA和Ca~（2+）对杨树扦插苗生长的调节效应
10.
The Effects of Three Kinds of Herbicides on the Growth and Physiology of Poplar Seedling;
三种除草剂对杨树幼苗生长及生理效应的影响
11.
Variation Analysis on Leaf Traits in Seedling Duration of Populus yunnanensis Plus Tree Clones
滇杨优树无性系苗期叶片性状变异分析
12.
A study on biomass production and calorific values of new poplar clone seedlings for bioenergy
杨树能源林新无性系苗期生物量及热值研究
13.
The Contrast Investigation on Seedling Survial Rate of Different Species and Different Factions of Poplar
杨树不同派系不同品种育苗成活率对比研究
14.
The Technology of Crossbreeding of New Species of Poplar in the Cold Area
寒地杨树新品种杂交选育及苗木繁育技术
15.
Groves of elderly aspen tremble in the wind, but no sprouts push up in the understory.
年老的白杨树丛在风中颤动，下层植被却没有新树苗生长。
16.
The paper analyzes the opportunity that the Poplar situation in Shanxi and the advantage of the seed industry.
文章分析了山西省杨树局面临的机遇和发展种苗产业的优势。
17.
Study on Effects of Simulated Acid Rain on Physiological Characters of the Magnoliaceae Family and Myrica Rubra Family;
模拟酸雨处理对木兰科树种和杨梅幼苗生理特性影响的研究
18.
Preliminary Study on Seedling Selection of High Quality and Yield Poplar Clones for Bio-energy Purpose;
优质高产杨树能源林无性系苗期选择的初步研究