Physiological studies continued to provide evidence that important root traits including root morphology, root architecture and root organic acid exudation play important roles in P uptake efficiency and adaptation to adverse soil conditions.

• 生理研究的结果不断取得进展，证明根系性状（括根形态、构型和根有机酸分泌物）磷吸收效率和适应不利的土壤条件所起的重要作用。