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危害损失

网络Yield loss; Hazard Loss

危害损失

危害损失

危害损失

Yield loss

损害危险,Environmental... ... ) danger of injury 伤害危险 ) Yield loss 危害损失 ) Environmental Endangerment 损害危险 ...

Hazard Loss

2.危害损失（Hazard Loss）：

2

Studies on the damage and economic threshold of weeds to winter wheat

杂草对冬小麦的危害损失及经济防除阈值

3

Distribution and Harm of Lasioderma Serricorna Larvae in Tobacco Stacks

烟草甲幼虫在烟垛内的分布及危害损失研究

4

Biological nature, damages and control of Cirsium lanatum

藏蓟的生物学特性、危害损失与防治

5

Study on the Damage and Control Index of Rice Leaf Folder

稻纵卷叶螟危害损失与防治指标研究

6

Study on losses caused by Leaf blight of pear and control index

早酥梨叶枯病危害损失与防治指标研究

7

A preliminary study on the loss of stored tobacco leaves caused by Lasioderma serricorne Fabricius

对储存烟叶危害损失的初步研究

8

Survey on tree loss caused by Eutetrpha sedecimpunctata

梣天牛危害损失调查初报

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