根插（root cutting）是以根段作为插根的扦插方法。将粗0．3～1．5厘米的根，剪成5～15厘米长作插根，上口平剪，下口斜剪，直插于土中，扦插后发生不定根和芽。根的抗干、抗冻能力弱，插后床面浇水并覆盖保湿；寒地冬季根段宜沙藏，待次春解冻后扦插，根插的成活率较高。枝插成活困难而根插较易成活的树种如枣、柿、核桃、长山核桃、山核桃、漆树等常用此法。
双语例句原声例句
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他通过一根插入鼻子的管子进食。
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根插条和组织培养对于优势个体或品种繁殖是有价值的。
Propagation from root cuttings and tissue culture are valuable for reproduction of superior individuals or varieties.
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中村和她的团队把一根电线连接于一个9伏特的电池上，然后将这跟电线穿过一根插在甜柠檬水中的吸管。
Nakamura and her team connected a wire to a 9-volt battery and threaded it through a straw placed in a cup of sweet lemonade.
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After a while, there were stretches where red gullies dropped off on either side of the road, and behind them there were patches of field buttoned together with 666 posts.
过了一会，有几段路,红色的排水沟在道路两旁延伸，后面是一块块的田地,一共有666根插在上面。
应用推荐
$firstVoiceSent
- 来自原声例句