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Viii CONTENTS 



PAGE 



Power of Soils to Retain Fertilizers in Solution . 70 



The Specific Heat of Soils 74 



^Mechanical Analysis of Soils 80 



Chromic Acid Method of Determining Organic 



Matter 92 



Directions for Taking Soil Samples .... 96 



Standardization of the Eye-piece Alicrometer . 99 



Table of Data 100 



Index loi 



