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杂草综合防治
释义
杂草综合防治
Encyclopedia
农学
杂草防治
释
integrated management of weeds
杂草综合防治
在对杂草的生物学、种群生态学、杂草发生与危害规律、杂草-作物生态系统、环境与生物因子间相互作用关系等全面、充分认识的基础上,因地制宜地运用物理的、化学的、生物的、生态学的手段和方法,有机地组合成防治的综合体系,将有危害性的杂草有效地控制在生态经济阈值水平之下,从而保障农业生产,促进经济繁荣的防治方法。
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secondary neutral mass spectrometry
secondary neutral mass spectrometry (SNMS)
secondary nutrients and micronutrients fertilizers
secondary obstruction
secondary of hydrogen bomb
secondary oocyte
secondary operation
secondary optical axis
secondary optic axis
secondary orbital effect
secondary orbital interactions
secondary orbital interactions (SOI)
secondary organic aerosol
secondary organic aerosol (SOA)
secondary oxidation
secondary parameter
secondary particle
secondary pattern
secondary period
secondary phase
secondary phloem
secondary photoelectric effect
secondary pollutant
secondary pollution
secondary pollution control for waste incineration power generation
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