No. 6. DEPARTMEIsT OP AGRICULTURE. 677 



AVERAGE COMPOSITION AND GUARANTY COMPARED— Continued 



Fall, 1906. 



Phosphoric acid: 



Total, 



Available, .-. 



Potash, 



Nitrogen, 



Phosphoric acid: 



Total, 



Available, ... 



Potash, _ --. 



Nitrogen, 



Spring, 1907. 



Phosplioric acid: 



Total, 



Available, .— 



Potash, - 



Nitrogen, 



Pall, 1907. 



Phosphoric 

 Total, ... 

 Available, 



Potash, 



Nitrogen, .-. 



acid: 



Spring, 1908. 



Phosphoric 

 Total, — 

 Available, 



Potash, 



Nitrogen, .-. 



acid: 



Fall. 1908. 



Phosphoric 

 Total. ... 

 Available, 



Potash, 



Nitrogen, ... 



acid: 



Spring, 1909. 



Phosphoric 

 Total, — . 

 Available, 



Nitrogen, — . 



Potash, 



acid: 



FaU, 1900. 



Phosphoric acid: 



Total, 



Available, 



Potash, 



Nitrogen, 



Spring, 1910. 



Pall. 1910, 



Phosphoric acid: 



Total - 



Available, --. 



Potash, 



Nitrogen, 



Phosphoric acid: 



Total, 



Available. — . 



Potash, 



Nitrogen, 



Spring, 1911. 



10.45 

 8.23 

 3.12 

 1.32 



9.21 



8.13 ; 



4.55 

 1.52 



10.39 



8.34 

 3.18 

 1.39 



10.07 

 8.29 

 5.04 

 1.64 



10.29 

 8.29 

 3.24 

 1.24 



0.83 

 8.07 

 5.07 

 1.67 



10.13 

 8.27 

 1.33 

 3.41 



9.80 

 8.26 

 5.20 

 1.63 



9.72 

 8.26 

 6.20 

 1.6S 



0.80 

 8.31 

 4.07 

 1.63 



9.70 

 8.16 

 2.95 

 1.31 



8.50 

 7.83 

 4.31 

 1.47 



0.42 

 8.07 

 2.72 

 1.29 



8.91 

 7.61 

 4.51 

 1.59 



9.31 

 7.96 

 2.94 

 1.23 



8.96 

 7.66 

 4.89 

 1.60 



9.34 

 8.08 

 1.26 

 3.12 



8.80 

 7.62 

 4.68 

 1.60 



8.80 

 7.63 

 4.68 

 1.60 



8.96 

 7.88 

 4.65 



1.54 



