1.
TO STUDY THE RELATIONSHIP BETWEEN THE INCREASE OF TIMBER VOLUME OF CHINESE WHITE POPLAR AND CLIMATE CONDITIONS WITH CONNECTIVITY ANALYSIS MDTHOD
杨树生长量与气候条件的关联度分析
2.
Growth Analysis for Introduced Poplar and Selection for Preferential Cultivers in Changbai Mountain Area;
长白山山地引种杨树生长分析及适宜品种筛选
3.
Short Effects of Pruning on Growth and Nutrient of Poplar in Beach Land
修枝对滩地杨树生长和养分的短期影响
4.
Effects of Humic Acid Fertilizer on the Poplar Growth and Soil Properties
腐殖酸肥料对杨树生长及土壤性质的影响
5.
A Study on the Over-Compensation Effect of Poplar from Leaf Loss
杨树失叶对生长超越补偿作用的研究
6.
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
7.
Effects of phytophagous insect induced popular resisitance on the behavior and development of Clostera anachoreta
虫害诱导杨树对杨扇舟蛾行为和生长发育的影响
8.
Biomass and nutrient accumulation of poplar plantation on beach land in Yangtse River in Anhui province.
安徽长江滩地杨树人工林生物量和养分积累
9.
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
10.
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
11.
Studies on the Growth and Yield Models of Poplar Plantations in Southern Area;
南方型杨树人工林生长与收获模型的研究
12.
Study on the Growth Process Genetic Variation and Selection of the Poplar Clones;
杨树无性系生长过程遗传变异及选择研究
13.
Effects of Continuous Cropping Poplar on Plant Growth and Soil Fertilities;
杨树连栽对林木生长及其土壤肥力的影响
14.
A Study on Growth Rulers and Rational Rotation of Excellent Poplar Clones;
杨树优良无性系生长规律及合理轮伐期的确定
15.
Study on Growth Law and Characteristics of Transpiration Water Consumption of Excellent Poplar Clones
杨树优良无性系生长规律与蒸腾耗水特性研究
16.
Effects of Fertilization on Growth and Wood Prperties of Poplar Plantations
施肥对杨树人工林生长及木材性质的影响
17.
The Relation of Crown Structure of Populus Bolleana Lauche with Volume Growth and Poplar Canker
新疆杨树冠结构与材积生长、溃疡病的关系
18.
Effects of Continuously Planting on Stand Growth of Populus L. Plantations in Jianghan Plain
连栽对江汉平原杨树人工林生长量的影响