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保护作物
释义
保护作物
Encyclopedia
农学
保护作物
释
nurse crop
保护作物
在建植人工草地时,为抑制田间杂草生长,保护多年生牧草幼苗生长而同期播种的苗期生长快、与杂草竞争力强、生长期短、再生能力弱的作物。又称伴播作物(companion crop)。
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extraembryonic ectoderm
extraembryonic endoderm
extraembryonic membrane
extraembryonic mesoderm
extra exposure
extra fine sand made of tailings
extrafloral nectary
extrafocal
extrafocal image
extrafocal photometer
extrafocal photometry
extra-foveal vision
extragalactic
extragalactic astronomy
extragalactic astrophysics
extragalactic background
extragalactic background light
extragalactic background radiation
extragalactic binary
extragalactic Cepheid
extragalactic compact radio sources
extragalactic diffuse X-ray emission
Extragalactic diffuse γ-ray background(DGRB)
extragalactic galaxy detection
extragalactic HⅡ region
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