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镁(Mg)元素对作物生长的重要作用
点击数:1318次 添加时间:2016-07-14 [
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元素作用
镁也是中量元素,是绿叶素的重要组成成分之一,植物合成叶绿素是必不可少的。另外,镁还是植物体内酶的重要活化剂,还对植物体内多种代谢活动有促进作用。
缺素症状
植物缺镁时,由于叶绿素合成受阻,使叶片失绿黄化,而后黄化逐渐形成不规则的形状而扩展,严重时仅叶基部有绿色残存。
适应作物
所有植物
推荐肥料
EDTA螯合镁、LSE-1