ORIGINAL ARTICLE: PDF OnlyDETERMINATION OF TOTAL, ORGANIC, AND AVAILABLE FORMS OF PHOSPHORUS IN SOILSBRAY, ROGER H.; KURTZ, L. T.2 Author Information Illinois Agricultural Experiment Station 2 Chief and associate, soil fertility, department of agronomy, respectively. Soil Science: January 1945 - Volume 59 - Issue 1 - p 39-46 Buy © Williams & Wilkins 1945. All Rights Reserved.