The N content per unit leaf area was the highest in the second leaf count backwards, and that of decrepit leaf was about the 1/ 3 of the normal leaf.

  • 单位叶面积含N率以倒数第2展开叶最高,衰老叶片只有正常叶片的1/3左右。

  • 互联网摘选 2025-01-20 11:49:49

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