By the same author: — 



Relation of concentration and reaction of nutrient medium to 

 growth and absorption of the plant {Jour. Agr. Res. 18: 

 73-117, 1919). 



(with A. R. Davis) Composition of cell sap of plants in relation 

 to absorption of ions {Jour. Gen. Physiol. 5:629-646, 1923). 



The absorption of ions by plants {Soil Science 16:225-246, 1923). 



(with A. R. Davis and P. L. Hibbard) Influence of light, tem- 

 perature, ajid other conditions on ability of Nitella cells to 

 concentrate halogens in cell sap {Jour. Gen. Physiol. 10: 

 121-146, 1926). 



Accumulation of mineral elements by plant cells {Contrib. 

 Marine Biol. Stanford Univ. Press 131-144, 1930). 



Absorption of mineral elements by plants in relation to soil 

 problems {Plant Physiol. 6:373-388, 1931). 



(With J. C. Martin) Absorption of potassium by plants in 

 relation to replaceable, non-replaceable and soil solution 

 potassium {Soil Science 86:1-33, 1933). 



The plant as a metabolic unit in the soil-plant system. Essays 

 in Geobotany in honor of Wm. A. Setchell {Univ. of Calif. 

 Press 219-245, 1936). 



(with T. C. Broyee) General nature of the process of salt 

 accvunulation by roots {Plant Physiol. 11:471-507, 1936). 



(with W, H. Chandler and P. L. Hibbard) Little-leaf or rosette 

 of fruit trees. V. Effect of zinc on plants of various types 

 in controlled soil and water-culture experiments. {Proc. 

 Amer. Soc. Hort. Sci. 33:131-141, 1937). 



Minute amounts of chemical elements in relation to plant 

 growth {Science 91:557-560, 1940). 



Salt accumulation by plant cells with special reference to 

 metabolism and experiments on barley roots {Cold Spring 

 Harbor Symposia on Quantitative Biology 8:181-194, 1940). 



(with D. I. Arnon) Physiological aspects of availa.bility of 

 nutrients for plant growth {Soil Science 51:431-444, 1941)- 



