The effects of water availability on root growth and morphology in an Amazon rainforest

@article{Metcalfe2008TheEO,
  title={The effects of water availability on root growth and morphology in an Amazon rainforest},
  author={Daniel B Metcalfe and Patrick Meir and Luiz E. O. C. Arag{\~a}o and Antonio Carlos Lola da Costa and A. P. Braga and Paulo H. L. Gonçalves and Joao de Athaydes Silva Junior and Samuel Soares de Almeida and Lorna A. Dawson and Yadvinder S. Malhi and Mathew Williams},
  journal={Plant and Soil},
  year={2008},
  volume={311},
  pages={189-199}
}
This study examined how root growth and morphology were affected by variation in soil moisture at four Amazon rainforest sites with contrasting vegetation and soil types. Mean annual site root mass, length and surface area growth ranged between 3–7 t ha−1, 2–4 km m−2 and 8–12 m2 m−2 respectively. Mean site specific root length and surface area varied between 8–10 km kg−1 and 24–34 m2 kg−1. Growth of root mass, length and surface area was lower when soil water was depleted (P < 0.001) while… CONTINUE READING
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