Elevated CO2 temporally enhances phosphorus immobilization in the rhizosphere of wheat and chickpea

  title={Elevated CO2 temporally enhances phosphorus immobilization in the rhizosphere of wheat and chickpea},
  author={Jian Jin and Caixian Tang and Roger D. Armstrong and Clayton R. Butterly and Peter W. G. Sale},
  journal={Plant and Soil},
The efficient management of phosphorus (P) in cropping systems remains a challenge due to climate change. We tested how plant species access P pools in soils of varying P status (Olsen-P 3.2–17.6 mg kg−1), under elevated atmosphere CO2 (eCO2). Chickpea (Cicer arietinum L.) and wheat (Triticum aestivum L.) plants were grown in rhizo-boxes containing Vertosol or Calcarosol soil, with two contrasting P fertilizer histories for each soil, and exposed to ambient (380 ppm) or eCO2 (700 ppm) for 6… CONTINUE READING


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