S2F/F <?£yv7' ^=3Ey? C&YT 
624 
Journal 0} Agricultural Research voi. xxra. No. 8 
rrrrrry Ctf/P/M?/: CWf/&?/T£ 
m ^OFJt&G&yy£iL£''SE‘£X? 
mmmmm A/S/9AV.V P/f&PSe- 
/yftsr cowvp/re 
Fig. 18.—Graphic presentation of data presented in Table XXVIII. 
