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rootworms造句

"rootworms"是什么意思   

例句與造句

  1. The larvae of several cucumber beetles are known as corn rootworms.
  2. Once farmers realized crop rotation would control the rootworms, pesticide use plummeted.
  3. Western corn rootworms are yellowish with a black stripe on each wing cover.
  4. Multiple management practices aim to control corn rootworms.
  5. Soil-applied insecticides effectively control corn rootworms.
  6. It's difficult to find rootworms in a sentence. 用rootworms造句挺難的
  7. He thought he might see northern corn rootworms, found in relatively small numbers here.
  8. Corn rootworms are one of the most economically significant consumers of maize in the United States.
  9. When corn is rotated onto these fields the following spring, the western corn rootworms are waiting.
  10. Their larvae, the rootworms, would emerge in late May and early June of the following year.
  11. Recently, however, strains of rootworms have been discovered in several Midwest US states that exhibit Bt resistance.
  12. By the following spring, the soil would be free of rootworms, ready for a new crop of corn.
  13. Corn rootworms go through three larval instars, pupate in the soil and emerge as adults in July and August.
  14. Big brown bats ( who are not so big, at only 4 inches long ) protect farms from evil rootworms.
  15. A colony of 150 big brown bats can protect local farmers from up to 33 million or more rootworms each summer.
  16. Farmers in the affected region got a respite last summer, a tenfold decrease in the number of rootworms, Levine said.
  17. 更多例句:  下一頁

相鄰詞匯

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  8. "rooty toot toot"造句
  9. "rootzone"造句
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