The availability of the replaceable calcium in various soil colloids and clay minerals as affected by the degree of calcium saturation 
By: by William Hubert Allaway ...
Published: 1945
Place of publication: [n.p
Language: eng
Number of pages: 217
Subjects: Calcium.; Clay.
Notes: "References": p. 216-217.
Thesis (Ph. D.)--Iowa State College of Agriculture and Mechanic Arts, 1945. Doctoral thesis no. 768.
Cover-title.
"Joint contribution of the Iowa and Nebraska experiment stations. Journal paper no. J-1236 of the Iowa Agricultural experiment station, project 732, and Journal series no. 361 of the Nebraska Agricultural experiment station."
"Reprinted from Soil science, vol. 59, no. 3, March, 1945."