ABSTRACT
Equation7representstheMcCreeplotofrespirationasalinearfunctionofgross photosynthesis,whereasEquation10representsrespirationasalinearfunctionofnet photosynthesisfora24-hrperiod.Fromregressionslopesandaxisinterceptsofsuch plots,wecandeterminethevariousparametersinEquationslto9.Qmustbemeasuredforthe24-hrperiod;usuallydaytimeQvaluesaresetequaltonightvalues.
