Arsenic chemistry in the rhizosphere of Pteris vittata L. and Nephrolepis exaltata L.

@article{Gonzaga2006ArsenicCI,
  title={Arsenic chemistry in the rhizosphere of Pteris vittata L. and Nephrolepis exaltata L.},
  author={Maria I Silva Gonzaga and Jorge Ant{\^o}nio Gonzaga Santos and Lena Q Ma},
  journal={Environmental pollution},
  year={2006},
  volume={143 2},
  pages={254-60}
}
This greenhouse experiment evaluated the influence of arsenic uptake by arsenic hyperaccumulator Pteris vittata L. and non-arsenic hyperaccumulator Nephrolepis exaltata L. on arsenic chemistry in bulk and rhizosphere soil. The plants were grown for 8 weeks in a rhizopot with a soil containing 105 mg kg(-1) arsenic. The soil arsenic was fractionated into five fractions with decreasing availability: non-specifically bound (N), specifically bound (S), amorphous hydrous-oxide bound (A), crystalline… CONTINUE READING
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