1) forestry harmful plant
林业有害植物
1.
Eupatorium odoratum Linn, is a perennial grass or subshrub of the genus of Eupatorium(Compositae) , which has become a forestry harmful plant in China.
)为菊科(Compositae)泽兰属(Eupatorium)多年生丛生性草本或亚灌木,是我国重要的林业有害植物,对本地植物、经济林木及生物资源危害日趋严重。
2) forest pests
林业有害生物
1.
Occurrence of forest pests and a sustainable control strategy in Qaidam protection forest area;
柴达木防护林区林业有害生物发生与可持续控制策略
2.
Current situation of forest pests management in Jilin province and some proposals;
吉林省林业有害生物发生现状及防治对策
3.
The Design and Implementation for Forest Pests Management Information System on County Level of Anhwei Province;
安徽省县级林业有害生物管理信息系统的设计与实现
3) forest pest
林业有害生物
1.
Risk Analysis of Forest Pests in Leshan City;
乐山市林业有害生物风险分析
2.
Application of information attenuation theory in the forest pest survey;
信息衰减理论在林业有害生物调查中的实际应用初报
3.
Recent advances in the control techniques of forest pests in China;
中国林业有害生物防治技术的新进展
4) forestry pest
林业有害生物
1.
In this paper,we deal with the application of ArcGIS in forestry pest distribution map drawing in Wuyishan National Nature Reserve,include creating features,joining attribution data,data symbolization and labels.
0制作林业有害生物分布电子地图的方法,包括创建要素图层,建立连接,数据符号化以及图层标注。
2.
This article reviewed the development history of recent 30 years of forest pest prevention and cures work of Guangdong province,summarized the experience gained in forest pest prevention and cure work,analyzed the status and problems in the forestry pest control work at present,and put forward the strategies and measures of forest pest management in current and future periods.
文章回顾了广东省林业有害生物防治工作近30年的历程,总结了防治工作经验,分析了当前林业有害生物防治工作现状和问题,思考了当前和今后一个时期林业有害生物防治工作的策略和措施。
6) forestry pests
林业有害生物
1.
In last five years, the average area of biological control products used on control the forestry pests was 22 000hm2, it only accounted for 6.
湖南林业有害生物发生形势严峻,而有害生物天敌产品的研究与开发现状不容乐观。
补充资料：有害气体对植物的危害3.5ppmS熏6小时后的杉木
熏6小时后的杉木 单慰曾提供
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条