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disease investigation
释义
disease investigation
Encyclopedia
农学
植物病害调查
释
disease investigation
植物病害调查
实地考察了解一定区域内目标植物遭受病害性况等方法和过程。植物病害的分布、危害、发生特点,寄主、栽培技术和环境条件对植物病害产生的影响,以及品种的抗病性、生物及化学药剂防治的效果等,都需要通过调查才能掌握。
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estuarine fishery
estuarine fishery environment
estuarine fishes
estuarine landform
estuarine mixing
estuarine tapertail anchovy
estuarine turbidity maximum zone
estuary
estuary and beach process
estuary and beach sediment transport
estuary and coastal sediment simulation
estuary delta of China
estuary hydrology
estuary hypoxia area
estuary regulation planning
estuary regulation structure
estuary training
estuary water quality monitoring
estuary wetland
Estudio Del Ciclo Vital de Los Documentos
ESU
e.s.u.
ESWL
E. Szemeredi
E. Szemeredi (1940—)
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