THE SOIL AS A SOURCE OF MINERAL SALTS 147 



For further reading 



Bear, F. E. (1955). Chemistry of the Soil Reinhold, New York. 



Broyer, T. C. and Stout, P. R. (1959). The macronutrient elements. Ann. 



Rev. Plant Physiol. 10, 277-300. 

 Fried, M. and Shapiro, R. E. (1961). Soil-plant relationships in ion uptake. 



Ann. Rev. Plant Physiol. 12, 91-112. 

 Stout, P. R. and Overstreet, R. (1950). Soil chemistry in relation to inorganic 



nutrition of plants. Ann. Rev. Plant Physiol. 1, 305-42. 

 N\TKLANDER, L. (1958). The soil. Encycl. Plant Physiol. IV, 118-69. 



