1110 



THE LIGHT FACTOR. II. QUANTUM YIELD 



CHAP. 29 



Table 29.IV 



Quantum Requirements of Oxygen Production (I/7) and of Carbon Dioxide 

 Consumption (Qp/7) Calculated by Warburg and Burk (1950) for Chlorella 



pyrenoidosa 



Expt. 

 No. 



Description 



Number, duration and order of cycles 



1 = light d = dark 



(or background light) 



1/7 



Qpi 



A. Experiments at pH 5 (two vessels) 



Average 



3.8 



1.04 



Table continued on page 1111 



