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- Forest diseases and insect pests 林业病虫害
- Occurrence of Forest Diseases and Insect Pests and Change of Eco-environment 森林病虫害发生与生态环境变化
- Expert consulting system for the diagnosis, prevention and control of important forest diseases and insect pests 森林重大病虫害诊治专家咨询系统的研究
- Monitoring and forecast of forest diseases and insect pests to promote ecosystem construction and substantial development for forestry 搞好森林病虫害监测预报,促进林业生态建设和可持续发展
- Nuisance Free Control Measures of Forest Disease and Insect Injury 森林病虫害无公害防治对策
- forest diseases and insects 森林病虫害
- forest diseases and insect pest 森林病虫害
- Present Situation and Developmental Countermeasures of the Monitoring and Forewarning of Forest Disease and Insect Pests in Fujian Province 福建省森林病虫害监测预警现状及发展对策
- Applied Status and Developmental Countermeasures of Controling Forest Disease and Insect Pests with (Super)Light-Type Planes in Fujian Province 福建省(超)轻型飞机防治森林病虫害应用现状及发展对策
- forest disease and insect pest 森林病虫害
- Then, when droughts or outbreaks of diseases and insect pests ravaged crops, famine resulted. 一旦干旱或病虫害暴发,饥荒就随之出现。
- Then,when droughts or outbreaks of diseases and insect pests ravaged crops,famine resulted. 一旦干旱或病虫害暴发,饥荒就随之出现。
- Application of Methane Fermenative Residues in Control of Crop Diseases and Insect pests. 沼气发酵残留物防治农作物病虫害的效果分析。
- The future of bio-control technology of crops diseases and insect pests was prospected. 展望了农作物病虫害生物防治技术的发展前景。
- Proterozoic is feral planting often is to grow in crows, rarely plant diseases and insect pests is invaded. 原生地野生种往往是成群生长,很少有病虫害侵袭。
- Title: Occurrence Rule and Control Measure of Main Diseases and Insect Pests on Liriope spicata(Thunb)Lour. 关键词:湖北麦冬;病虫害;发生规律;防治措施
- The results suggested that a highly positive correlation existed among resistibility of cotton to different diseases and insects. 结果表明,这些陆地棉品系对不同病虫害的抗性相互之间存在高度正相关。
- Occurrence Rule and Control Measure of Main Diseases and Insect Pests on Liriope spicata(Thunb)Lour. 与相似的文献。
- The paper presented the census results of diseases and insect pests in Torreya grandis in Zhejiang Province. 摘要文章系浙江省近年来香榧病虫害和害虫天敌的调研总结。
- This system has four modules: data management, data pretreatment, plant diseases and insect pests diagnose and forecast, forecasting-modal management. 该系统集成多种诊断和预测方法,由数据管理、析预处理、虫害诊断/测、测模型管理四大功能模块组成。