876 



ANNUAL^ REPORT OF THE 



Off. Doc. 



TABLE 25. 

 Diagram Showing Relative Weights of Dry Matter of Plants Grown With Phos- 

 phoric Acid P^rom Different Sources. 



Crops. 



Peas, 



Horse beans. 



Clover, 



Alfalfa, 



Turnips, 



Rutabagas, 



Cauliflower, 



Kohl-rabl. 



Barley, 



Corn. 



Oats," 



Timothy, 



Phosphate. 



Acid rock 



Floats 



Rednnda 



No phosphate, 



("Acid rock 



{ Floats 



J Redcnda 



[No phosphate, 



Acid rock 



Floats 



Redcnda 



[No phosphate. 



Acid rock, 



Floats 



Redonda 



No phosphate, 



fAcld rock 

 Floats 

 Redonda, 

 No phosphate, 



Acid rock 



Floats, 



Redonda, 



No phosphate, 



iAcid rock 

 Floats 

 Redonda 

 No phosphate. 



Acid rock 



Floats 



Redonda 



No phosphate, 



f Acid rock 



■[ Floats 



Redonda 



[ No phosphate, 



fAcid rock, .... 

 -' Floats 



Redonda 



No phosphate, 



(Acid rock 

 Floats, 

 Redonda, 

 No phosphate, 



fAcid rock 

 Floats 

 Redonda 

 No phosphate. 



Comparative Scale. 



E 

 t 



I 

 M 



0) 



167 



122 



94 



87 



269 

 128 

 118 



217 



169 



126 



8S 



107 



97 

 87 

 SO 



222 

 202 

 187 

 119 



152 



145 



122 



64 



17( 



167 



107 



62 



232 

 209 

 172 

 130 



338 

 171 

 186 

 146 



218 

 85 

 98 

 31 



662 

 307 

 3S0 

 319 



410 

 329 

 346 

 353 



