When the fall rains come, there won't be anything here but a loblolly. 秋雨一开始,这里将成一片泥泞。
There is conflicting evidence regarding the amount of north-south differentiation in loblolly pine. 关于火炬松南北分化的数量存在着相抵触的证据。
Variation of Wood Density Among Provenance of Exotic Loblolly Pine Grown in South of Henan Province 河南引种火炬松种源中龄林木材基本密度的变异
The Difference Analyses of Tree Growth Characteristics Among Provenance of Exotic Loblolly Pine Planted in South of Henan Province of China 河南火炬松种源中龄林生长量、干形特征的差异分析
Main associated tree species are listed for Loblolly pine plantation in hillock areas of Southern Anhui Province. 为皖南丘岗地区火炬松人工林提出可供选择的主要伴生树种。
This paper deals with the spatial distribution patterns of the larvae of Diorycitria rubella in masson pine and loblolly pine using the frequency distribution analysis and aggregation indices. 应用频次分析法和聚集度指标法对微红梢斑螟在马尾松和火炬松林中的空间分布进行研究。
In Vitro Culture and Plantlet Regeneration of Slash Pine and Loblolly Pine; The improving effect of shallow ploughing and deep digging to low-wet soil was studied in this paper. 湿地松、火炬松离体培养植株再生技术的研究本文通过大区对比法对浅翻深松改良低湿耕地的效果进行研究。
Any of several pines that prefer or endure moist situations such as loblolly pine or longleaf pine. 任何一种耐潮湿环境的松树,如火炬松,长叶松。
Studies on Somatic Embryogenesis from cell suspension culture of loblolly pine 火炬松细胞悬浮培养体细胞胚胎发生的研究
Direct organogenesis and plant regeneration from mature zygotic embryos of loblolly pine 火炬松成熟合子胚培养直接器官发生和植株再生
The Genetic Variation of the Main Economic Traits of the Loblolly Pine's Seed Sources and Its 火炬松种源主要经济性状的遗传变异及其综合选择
Research on the Appraisal Techniques for the Early-Stage Characters of Loblolly Pine 火炬松早期性状鉴定技术的研究
Studies on mineral nutrition contents in seedlings of slash and loblolly pines 湿地松和火炬松苗期矿质元素含量的研究
Growth performance of 149 open-pollinated families of loblolly pine 149个火炬松自由授粉家系的生长表现
A Preliminary Study on the Relation of Sucrose Content to Superior Growth Potential in Seedlings of Loblolly and Slash Pine 火炬松和湿地松幼苗蔗糖含量与生长潜势关系的研究初报
Study on Provenance Selection of Loblolly Pine for Construction Timber 火炬松建筑材优良种源综合评定的研究
Study on Management Model System of Loblolly Pine Plantation on Pulp and Construction Wood 火炬松浆材建筑材林经营模型系统的研究
Technical measures and achievements of improved slash pine and loblolly pine seed orchards& undp project in China 联合国援助我国湿地松火炬松改良种子园项目实施的技术措施及其成果
A trial with different tending methods was conducted in a 7 year old loblolly pine plantation on a low hill at Wengyuan county of Guangdong province. 在广东省翁源县江尾镇低丘赤红壤上,对7年生火炬松人工林的抚育强度、季节和次数进行了研究。
The Application of Principal Component Analysis on Thinning of Loblolly Pine Seed Orchard 主成分聚类在火炬松种子园疏伐中的运用
Selection of Excellent Seed Source/ Family of Loblolly pine 火炬松优良种源/家系的选择
Genetic Study and Superior Provenance Selection of Loblolly Pine for Pulpwood ⅱ. Indirect and Index Selection for Superior Provenance 火炬松种源遗传变异研究及纸浆材优良种源评选Ⅱ.间接选择和指数选择
Analysis on Variation of Drying Shrinkage of 10 Years Old Loblolly Pine Wood from 28 Families 10年生火炬松木材28个家系干缩率的变异分析
Study on Nutrient Characteristics of the forest tree in a loblolly pine plantation 火炬松人工林林木营养特性的研究
Values of MOE and MOR for Loblolly Pine provenance were distinct related to its culturing environment. 火炬松种源木材MOE、MOR值与引种栽培地点有关。
Research on planting density in a loblolly pine seed orchard 火炬松种子园栽植密度的试验研究
Preliminary study on wood properties variation of loblolly pine 火炬松材性变异规律的初步研究
Meanwhile, the relationship between species by qualitative and quantitative correlation analysis, we found loblolly pine, pine, fir and poplar are the main tree species in afforestation projects. 同时,通过对树种之间的关系进行定性与定量的关联分析,发现火炬松、马尾松、杉木和杨树是造林工程中主要造林树种。
Main results are as follows: 1. A total of 2,300 PIP markers were developed in loblolly pine ( Pinus massoniana). 2. 主要结果如下:1、在火炬松中开发了2300个潜在内含子多态性(PIP)标记。
Slash pine and loblolly pine have become main economic species in southern China since they were introduced in 1930 '. 湿地松、火炬松自上世纪30年代引种至今,两树种已成为我国南方地区大面积造林的主要经济树种。