湿地松是一种适合沙化土地生态系统重建的先锋植物。
Pinus elliottii had been found as pioneer plant suitable for sandy land ecosystem reconstruction.
研究结果为湿地松人工林培育和木材合理利用提供科学依据。
The conclusions provide scientific basis for plantation cultivation and rational utilization of Pinus elliottii.
研究结果为湿地松人工林培育和木材合理利用提供科学依据。
The results provide scientific basis for plantation cultivation of Slash pine forest stand and rational utilization of Slash pine wood .
而湿地松和火炬松松脂总流量在受害植株和未受害植株间没有显著差异。
Significant difference exists between attacked trees and control trees in oleoresin flow in mason pine but not in exotic pines.
同一坡位上湿地松生长也有明显的差异，特别是位于南坡各坡位上的湿地松。
In the same slope location, its growth also had significant difference, especially in south slope.
尾叶桉、湿地松施P肥的各水平均达显著或极显著差异，施N、K肥的只在个别年度有差异。
There was difference or significant difference between P level application treatments, difference appeared in some individual year for the N, K treatments.
以接种松材线虫的湿地松来作为实验材料，对感病湿地松叶片内可溶性糖含量与叶片质膜透性变化的关系进行研究。
This paper, however, conducts some research on the relationship between the soluble sugar content and the plasma-membrane permeability of Pinus elliottii inoculated with pine wood nematode.
以森林经营模式理论为指导，依据湿地松纸浆材原料林经营模式的经营模拟系统，建立了该经营模式的经营技术体系。
Guided by the theory of the forest management model, the management technical system of the paper pulp raw material forest management model of Slash Pine is established.
对湿地松幼龄不同冠型的生长差异研究表明：湿地松在幼龄阶段存在着不同冠型，且这种不同冠型是由遗传所决定的；
The research showed that Pinus elliottii had different crown types during the young period, furthermore, the different crown types were determined by the hereditary;
文章报导了我国中亚热带地区湿地松、火炬松和晚松种子园和母树林中的害虫种类，共3 4种，涉及7目1 8科。
The paper deals with 34 species of insect pests in orchards and seed stands of mid subtropical area in China. They belong to 18 families, 7 orders.
分析结果也表明：口岸检疫要重点对来自北美的木材、货物木质包装进行核查和检疫，其中花旗松、西黄松、湿地松、火炬松等更需要重点检疫。
Our results showed that it is necessary to focus on checking and quarantining wood or woody package from North America, especially douglas firs, ponderosa pines, slash pines and loblolly pines.
分析结果也表明：口岸检疫要重点对来自北美的木材、货物木质包装进行核查和检疫，其中花旗松、西黄松、湿地松、火炬松等更需要重点检疫。
Our results showed that it is necessary to focus on checking and quarantining wood or woody package from North America, especially douglas firs, ponderosa pines, slash pines and loblolly pines.
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