硫对叶绿素的形成很重要，对吗？

Isn't sulfur important in chlorophyll formation?

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长期不施用氮肥会使玉米叶片内叶绿素的形成受到限制，不利于有机物质的合成；

Without N fertilizer for years, it will strain synthesis of chlorophyll in maize leaf, and it will go against the synthesise of organic matter. N fertilizer is in favor of the widening o…

youdao

锰是草株生长的重要元素，对叶绿素的形成、光合作用、呼吸和固氮起着重要作用。

Mn is the important element in grasses growth; operate in chlorophyll form, photosynthesis, respiration and nitrogen fixation.

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