Phosphorus in agriculture

Englestad, O.P. Terman, G.L. (1980). Agronomic effectiveness of phosphate fertilizers. In The Role of Phosphorus in Agriculture, ed. F.E. Khasawneh etal., pp. 311-29. Madison, Wl American Society of Agronomy. 

Bixby, D.W., 1977. Sulfur requirements of the phosphate fertilizer industry. In E.J. Kamprath, F.E. Khasawneh and E.C. Sample (Editors). The Role of Phosphorus in Agriculture. Soil Science Society of America, Inc., Madison, WI, in press. 

Anderson G (1980) Assessing organic phosphorus in soils. In The role of phosphorus in agriculture. FE Khasawnech et al. (ed) ASA, Madison, WI. 411-431... 

Table 2.4. Studies of phosphorus in agricultural soils using whole-soil extractions and solution P nuclear magnetic resonance spectroscopy.

Anderson, C. (1 980) Assessing organic phosphorus in soils. In Khasawneh, F.E., Sample, E.C. and Kamprath, E.J. (eds) The Role of Phosphorus in Agriculture. American Society of Agronomy, Madison, Wisconsin, pp. 411 31. 

Sharpley AN (1993) An innovative approach to estimate bioavailable phosphorus in agricultural runoff using iron oxide-impregnated paper. Journal of Environmental Quality 22 597-601. 

McCleDan, G. H., and L. R. Gremillion. 1980. Evaluation of Phosphatic Raw Materials, IN The Role of Phosphorus in Agriculture, p p. 43-80, American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, Madison, WI, U.S.A. 

F.E. Khasawneh et al.. The Role of Phosphorus in Agriculture, Agron. Soc. Crop. Sci. Soil. Sci, USA Symp., Muscle Shoals, Alabama, 1980. 

BARBER S.A. 1980. Soil-plant interactions in the phosphorus nutrition of plants. Chapter 21 in The Role of Phosphorus in "Agriculture. Eds. Khasawneh F.E., Sample E.C. and... 

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