Check the oxygen dicussion out.
This maybe the answer for why we have more root problem (then leaves' problem) when the temperature is hot.
http://images.google.com/imgres?img...ULE&start=20&ndsp=20&svnum=10&um=1&hl=en&sa=N
This maybe the answer for why we have more root problem (then leaves' problem) when the temperature is hot.
http://images.google.com/imgres?img...ULE&start=20&ndsp=20&svnum=10&um=1&hl=en&sa=N
