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第九章 动画资源

截取： 根系伸展于土壤中直接获取养分的方式。因土壤颗粒与根的接触面积有限，截取量约占根系吸收养分总量的 10 ％。. 离子扩散： 根系吸养使根表土液养分相对降低，养分浓度梯度使根周围土体养分向根表土壤运动。是短距离内补充根表土壤养分的重要因素。. 质流： 由于植物蒸腾作用引起的土壤养分随土壤水分由周围土体向根表土壤运动。是长距离内补充根表土壤养分的重要因素。. 根系与土壤养分接触. 第九章 动画资源.

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第九章 动画资源

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  1. 截取：根系伸展于土壤中直接获取养分的方式。因土壤颗粒与根的接触面积有限，截取量约占根系吸收养分总量的10％。截取：根系伸展于土壤中直接获取养分的方式。因土壤颗粒与根的接触面积有限，截取量约占根系吸收养分总量的10％。 离子扩散：根系吸养使根表土液养分相对降低，养分浓度梯度使根周围土体养分向根表土壤运动。是短距离内补充根表土壤养分的重要因素。 质流：由于植物蒸腾作用引起的土壤养分随土壤水分由周围土体向根表土壤运动。是长距离内补充根表土壤养分的重要因素。 根系与土壤养分接触 第九章 动画资源

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