1.
Measured the quantity of eaten leaves by Diaphania phloalis Walker and research on its occurring density be prevented and cured
桑螟食叶量测定及其防治指标的研究
2.
Study on damage loss and control threshold of Penthaleus major
麦圆叶爪螨为害损失及防治指标研究
3.
The occurrence,damage and control index of Liberobacter asiaticum
柑橘黄龙病发生危害与防治指标研究
4.
Study on the Relationship between Yield Loss and Wheat Stripe Rust and Its Control Index
小麦条锈病产量损失及防治指标研究
5.
PRELIMINARY STUDIES ON THE LOSSES OF THE WHEAT YIELD AND THE ELT TO THE WHEAT POWDERY MILDEW
小麦白粉病产量损失及防治指标的初步研究
6.
STUDIES ON DYNAMIC OF POPULATION ACTIVITIES OF DENDROLIMUS SPECTABILIS BUTLER AND ITS CONTROL INDEX
赤松毛虫种群变动规律及防治指标的研究
7.
A Study on the Damage and Control Index of Heliothis assulta Quenée in the Tobacco-growing Area of Northern Hunan
湘北烟区烟青虫为害损失及防治指标研究
8.
Study on the Index for Controlling Sucra Jujuba Chu and Eriophyes annaltus Vale and Its Application
枣尺蠖和枣壁虱防治指标的研究及应用
9.
Occurrence and Action Threshold of Major Alfalfa Pests in Ningxia;
宁夏苜蓿主要害虫发生规律及防治指标研究
10.
Study on the Feeding Habit, Economic Threshold and the Relationship between Environmental Factors and the Oviposition of Locusta Migratoria Tibetensis
西藏飞蝗食性、防治指标及产卵与环境关系研究
11.
A study on the economic injury level of plateau pika(Ochtona curzoniae) and its control index
高原鼠兔的经济损害水平及防治指标研究
12.
According to diversity indexes of main arthropods in each organic tea garden, to establish activity control index.
根据各茶园的益、害节肢动物多样性指数，制定了以群落多样性为指标的动态防治指标。
13.
PLANT BUG DAMAGE ON COTTON IN DIFFERENT GROWING STAGES AND THE THRESHOLD FOR CONTROL
棉花不同生育期棉盲蝽的为害损失及防治指标的研究
14.
STUDIES ON THE LOSS MODEL OF CABBAGE BY THE SECOND GENERATION PIERIS RAPAE AND CONTROL INDEX
第二代菜青虫为害甘蓝损失模型及防治指标的研究
15.
Relation between Grade of Disease Ear and Output Loss and Control Index in Powdery Mildew of Wheat
小麦白粉病病穗级别与产量损失的关系及防治指标
16.
Study on the Development Rule, Loss Estimation and Control Criterion of the Eucalyptus Dieback;
桉树焦枯病发病规律与损失估计和防治指标的研究
17.
Studies on the Threshold and Pesticide Resistance Comparison of Green Leafhopper Empoasca Vitis Gothe;
假眼小绿叶蝉Empoasca vitis Gothe防治指标及抗药性比较研究
18.
Study on Index System of Performance Evaluation on HIV/AIDS Prevention and Control;
艾滋病综合防治绩效评价指标体系研究