Bui. 41, Hawaii Agr. Expt. Station. 
Plate III. 
Fiq. 1.— Comparative Influence of Phosphates, Experiment II, Millet I. 
Left to right: Check; slag, phosphate rock, acid phosphate, superphosphate, and sodium phos- 
phate, each used at the rate of 0.014 per cent P 2 5 . 
Fig. 2.— Comparative Influence of Phosphates, Experiment II, Millet I. 
Left to right paired pots: Check, phosphate rock at rates of 0.007, 0.014, and 0.02s per cent PjOft. 
