References
- Liegel , E. A. and Walsh , L. M. Evaluation of urea ammonium polyphosphate (UAPP). I. Effectiveness of banded and seed‐placed UAPP on irrigated corn . Comm. Soil Sci. Plant Anal. , (see this issue)
- Isensee , A. R. and Walsh , L. M. 1971 . J. Sci. Food Agric. , 22 : 105 – 109 .
- Keeney , D. R. and Bremner , J. M. 1966 . Soil Sci. Soc. Amer. Proc. , 30 : 583 – 587 .
- Bremner , J. M. 1965 . Methods of Soil Analysis, Part 2 Edited by: Black , C. A. Vol. 9 , 1179 – 1232 . Agronomy
- Kussow , W. R. 1966 . The influence of associated salts on corn root development and the availability of banded phosphates , 88 Madison : Soils Department, University of Wisconsin . Ph.D. Thesis.
- Former Research Assistant (now Soil Specialist), and Professor of Soil Science, respectively.