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APPENDIX 



INTERNATIONAL TRADE IN OIL CAKE AND OIL-CAKE MEAL, 1902-1906 



EXPORTS 



IMPORTS 



SECTION V 



METHODS OF SOIL ANALYSIS 



Collecting soil samples. After one has become familiar with the 

 typical boring of the soil type to be studied, the sample is collected by 

 taking borings from 10 to 20 different places, each of which should appear 

 to be truly representative of the soil type. These borings, thoroughly 

 mixed, should make a trustworthy sample for analysis. An auger about 

 i inches in diameter, with the screw point and the vertical lips filed off, 



