biennial plant

DC. Methods: Choose the biennial plant, get rid of50% alabastrums of them, but make another bloom and fruit.

方法：选择二年生长势基本相同的植株，将其中的50%去除花蕾，另外的50%任其开花结果。

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Biennial plant; valuable honey plant.

两年生植物，是有价值的蜜源植物。

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Biennial yellow-flowered Eurasian plant having aromatic leaves used as carminative or flavoring agent; widely cultivated especially as green manure or cover crop.

两年生欧亚植物，花黄色，其叶芳香，用做祛风剂或调味品；广泛栽培，尤其作绿肥或覆盖作物。

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Erect annual or biennial plant grown extensively especially for hay and soil improvement.

直立的一年生或两年生植物，广泛栽培，尤其用于干草和土壤改良。

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Biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop.

两年生欧亚植物，通常有膨胀的可食根；作为粮食作物培植广泛。

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Conyza canadensis, an biennial or annual composite herb originating from North America, was widely disturbed in China, and now the species has became a common invasive plant.

小飞蓬（Conyza canadensis）为菊科越年生或一年生草本植物，原产北美洲，目前在我国广泛分布，已成为一种常见入侵植物。

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The proportion of annual plant and biennial plant decrease gradually and the proportion of perennial plant increases gradually in the course of enclosure.

围封过程中的沙化草地，土壤种子库群落组成中，1、2年生植物所占比例逐渐减小，多年生植物所占比例均逐渐增加。

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