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单词 velvetleaf
释义

velvetleaf

/ˈvɛlvɪtliːf /
noun [mass noun]
A Eurasian plant of the mallow family, with large heart-shaped velvety leaves and yellow flowers. It is naturalized in North America, where it has become a serious weed of farmland.
  • Abutilon theophrasti, family Malvaceae.
If soybeans are exhibiting cupped leaves but velvetleaf in the field appears normal there is a good likelihood that the cupping is an environmental response rather than one caused by a growth regulator herbicide....
  • Large-seeded weeds like velvetleaf that can emerge from deep in the soil are very resistant to shallow cultivation with weeders.
  • Apply with 2 to 4 quarts per acre of liquid nitrogen fertilizer when velvetleaf is a target weed.
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更新时间:2024/11/13 19:15:48