柳树为什么插在地上就能活“一场春雨过后,砍一些柳枝,随意插在松软的土里,用不了多久,柳枝就会慢慢的发芽."解释这是为什么?
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![柳树为什么插在地上就能活“一场春雨过后,砍一些柳枝,随意插在松软的土里,用不了多久,柳枝就会慢慢的发芽.](/uploads/image/z/8834123-11-3.jpg?t=%E6%9F%B3%E6%A0%91%E4%B8%BA%E4%BB%80%E4%B9%88%E6%8F%92%E5%9C%A8%E5%9C%B0%E4%B8%8A%E5%B0%B1%E8%83%BD%E6%B4%BB%E2%80%9C%E4%B8%80%E5%9C%BA%E6%98%A5%E9%9B%A8%E8%BF%87%E5%90%8E%2C%E7%A0%8D%E4%B8%80%E4%BA%9B%E6%9F%B3%E6%9E%9D%2C%E9%9A%8F%E6%84%8F%E6%8F%92%E5%9C%A8%E6%9D%BE%E8%BD%AF%E7%9A%84%E5%9C%9F%E9%87%8C%2C%E7%94%A8%E4%B8%8D%E4%BA%86%E5%A4%9A%E4%B9%85%2C%E6%9F%B3%E6%9E%9D%E5%B0%B1%E4%BC%9A%E6%85%A2%E6%85%A2%E7%9A%84%E5%8F%91%E8%8A%BD.%22%E8%A7%A3%E9%87%8A%E8%BF%99%E6%98%AF%E4%B8%BA%E4%BB%80%E4%B9%88%3F)
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