No 6. DEPARTMENT OP AGRICULTURE. 669 



SUMMARY OF INSTANCES OF DEFICIENCY FROM GUARANTY 



a 

 o 



n 

 g 



Deficient in four constituents, 



Deficient in three constituents, 



Deficient in two constituents, _. 



Deficient in one constitutent, 



Total number of samples in which defleiencie 

 occur, 



1 



12 

 59 



147 



219 



1 



e 



28 

 35 



U 

 11 



The cases of deficiency noted during the past eleven seasons in the 

 composition of goods as compared with their guaranties, expressed 

 in percentage of the total number of goods of each class analyzed, 

 are as follows: 



PERCENTAGE OF DEFICIENCY 1906-1911 



p. 

 to 



C3 



bo 



a 





C3 



bo 

 a 



p. 



lO 



Complete fertilizers, 



Dissolved bone, 



Bock and potash, 



Dissolved rock, 



Ground bone, 



All classes except miscella 

 neous, 



45.4 

 50.0 

 42.4 

 28.8 

 49.0 



43.8 



89.5 

 28.5 

 40.0 

 25.6 

 14.7 



35.8 



39.4 



16.6 

 43.7 

 19.5 

 18.5 



36.1 



46.1 

 16.6 

 27.1 

 5.9 

 47.8 



38.7 



*Only two samples analyzed for which no guarantees are reported. 

 JOnly four samples analyzed. 



A comparison of the average composition of all samples of com- 

 plete fertilizers for which guaranties are recorded with the average 

 of the corresponding guaranties, for several seasons past, including 

 those of this season, follows : 



AVERAGE COMPOSITION AND GUARANTY COMPARED 



Spring, 1906. 

 Phosphoric acid: 



Total, - 



Available, — - 



Potash, 



Nitrogen, — 



