UNIVERSITY OF CALIFORNIA PUBLICATIONS 



IN 



AGRICULTURAL SCIENCES 



Vol. 1, No. 11, pp. 341-394, plates 5-15 January 31, 1917 



INFLUENCE OF THE COMPOSITION AND 



CONCENTRATION OF THE NUTRIENT 



SOLUTION ON PLANTS GROWN 



IN SAND CULTURES 



BY 



ARTHUR HUGO AYRES 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY 



