Bui. 41, Hawaii Agr. Expt. Station. 
Fig. 1.— Comparative Influence of Phosphates, Experiment I, Millet I. 
Left to right paired pots: Check; slag at rates of 0.007 and 0.014 per cent P2O5; acid phosphate, 
0.014 per cent P 2 5 . 
Fig 2— Comparative Influence of Phosphates, Experiment I, Millet I. 
Left to right paired pots: Phosphate rock at rates of 0.007, 0.014, and 0.028 per cent P 2 5 ; acid 
phosphate, 0.007 per cent P2O0. 
