@article{cox_barnes_2002, title={Peanut, corn, and cotton critical levels for phosphorus and potassium on Goldsboro soil}, volume={33}, DOI={10.1081/CSS-120003880}, number={7-8}, journal={Communications in Soil Science and Plant Analysis}, author={Cox, F. R. and Barnes, J. S.}, year={2002}, pages={1173–1186} }
 @article{byers_mikkelsen_cox_2001, title={Greenhouse evaluation of four boron fertilizer materials}, volume={24}, DOI={10.1081/PLN-100103665}, number={4-5}, journal={Journal of Plant Nutrition}, author={Byers, D. E. and Mikkelsen, R. L. and Cox, F. R.}, year={2001}, pages={717–725} }
 @article{george_magbanua_tubana_quiton_almendras_khatib_cox_yost_2000, title={Estimating buffer coefficients for the phosphorus decision support system: Preliminary comparisons among field and laboratory estimates from three Asian upland soils}, volume={31}, DOI={10.1080/00103620009370567}, number={11-14}, journal={Communications in Soil Science and Plant Analysis}, author={George, T. and Magbanua, R. and Tubana, B. and Quiton, J. and Almendras, A. and Khatib, W. and Cox, F. and Yost, R.}, year={2000}, pages={2101–2110} }
 @article{cox_hendricks_2000, title={Soil test phosphorus and clay content effects on runoff water quality}, volume={29}, DOI={10.2134/jeq2000.00472425002900050027x}, number={5}, journal={Journal of Environmental Quality}, author={Cox, F. R. and Hendricks, S. E.}, year={2000}, pages={1582–1586} }
 @article{borkert_cox_1999, title={Effects of acidity at high soil zinc, copper, and manganese on peanut, rice, and soybean}, volume={30}, DOI={10.1080/00103629909370293}, number={9-10}, journal={Communications in Soil Science and Plant Analysis}, author={Borkert, C. M. and Cox, F. R.}, year={1999}, pages={1371–1384} }
 @article{fontes_cox_1998, title={Iron deficiency and zinc toxicity in soybean grown in nutrient solution with different levels of sulfur}, volume={21}, DOI={10.1080/01904169809365516}, number={8}, journal={Journal of Plant Nutrition}, author={Fontes, R. L. F. and Cox, F. R.}, year={1998}, pages={1715–1722} }
 @article{sobral_aquino_cox_1998, title={Mehlich-3 phosphorus buffer coefficients}, volume={29}, DOI={10.1080/00103629809370065}, number={11-14}, journal={Communications in Soil Science and Plant Analysis}, author={Sobral, L. F. and Aquino, B. F. and Cox, F. R.}, year={1998}, pages={1751–1761} }
 @article{aquino_sobral_cox_1998, title={Properties of ultisols and oxisols related to Mehlich-3 phosphorus buffer coefficients}, volume={29}, DOI={10.1080/00103629809370016}, number={9-10}, journal={Communications in Soil Science and Plant Analysis}, author={Aquino, B. F. and Sobral, L. F. and Cox, F. R.}, year={1998}, pages={1155–1166} }
 @article{borkert_cox_tucker_1998, title={Zinc and copper toxicity in peanut, soybean, rice, and corn in soil mixtures}, volume={29}, DOI={10.1080/00103629809370171}, number={19-20}, journal={Communications in Soil Science and Plant Analysis}, author={Borkert, C. M. and Cox, F. R. and Tucker, M. R.}, year={1998}, pages={2991–3005} }
 @article{fontes_cox_1998, title={Zinc toxicity in soybean grown at high iron concentration in nutrient solution}, volume={21}, DOI={10.1080/01904169809365517}, number={8}, journal={Journal of Plant Nutrition}, author={Fontes, R. L. F. and Cox, F. R.}, year={1998}, pages={1723–1730} }
 @article{cox_1997, title={Economic phosphorus fertilization using a linear response and plateau function}, volume={27}, ISBN={0824700546}, DOI={10.1080/00103629609369575}, number={3}, journal={Soil and plant analysis in sustainable agriculture and environment}, publisher={New York : Marcel Dekker Inc}, author={Cox, F. R.}, editor={T. M. Hood and Jones, J. B., Jr.Editors}, year={1997}, pages={757} }
 @article{fontes_cox_1997, title={Rhythmic movement of leaves in soybean plants grown under Zn toxicity at different doses of Fe and S}, volume={9}, number={2}, journal={Revista Brasileira De Fisiologia Vegetal}, author={Fontes, R. L. F. and Cox, F. R.}, year={1997}, pages={131–134} }
 @article{chen_yost_li_wang_cox_1997, title={Uncertainty analysis for knowledge-based decision aids: Application to PDSS (Phosphorus Decision Support System)}, volume={55}, DOI={10.1016/S0308-521X(97)00021-8}, number={3}, journal={Agricultural Systems}, author={Chen, G. and Yost, R. S. and Li, Z. C. and Wang, X. and Cox, F. R.}, year={1997}, pages={461–471} }
 @inbook{cox_1992, title={Current research on organic phosphorus}, number={92-02}, booktitle={Soil water efficiency of sorghum and cowpea as affected by nutrient input and tillage}, publisher={Raleigh, NC : Soil Management Collaborative Research Support Program, North Carolina State University}, author={Cox, F. R.}, editor={Z. Kouyate and Wendt, C. W.Editors}, year={1992}, pages={141} }
 @article{cox_uribe_1992, title={Management and dynamics of potassium in a humid tropical Ultisol under a rice-cowpea rotation}, volume={84}, DOI={10.2134/agronj1992.00021962008400040024x}, number={4}, journal={Agronomy Journal}, author={Cox, F. R. and Uribe, E.}, year={1992}, pages={655} }
 @article{cox_uribe_1992, title={Potassium in two humid tropical Ultisols under a corn and soybean cropping system: I. Management}, volume={84}, DOI={10.2134/agronj1992.00021962008400030024x}, number={3}, journal={Agronomy Journal}, author={Cox, F. R. and Uribe, E.}, year={1992}, pages={480} }
 @article{cox_1992, title={Residual value of copper fertilization}, volume={23}, DOI={10.1080/00103629209368573}, number={1-2}, journal={Communications in Soil Science and Plant Analysis}, author={Cox, F. R.}, year={1992}, pages={101} }
 @article{cox_1991, title={Interpretive summary of Part 1: factors affecting the availability of phosphorus in soils of the semi-arid tropics}, ISBN={929066200X}, journal={Phosphorous nutrition of grain legumes in the semi-arid tropics}, publisher={Patancheru, Andhra Pradesh, India : International Crops Research Institute for the Semi-Arid Tropics}, author={Cox, F. R.}, editor={C. Johansen, K. K. Lee and Sahrawat, K. L.Editors}, year={1991}, pages={43} }
 @article{cox_1990, title={A note on the effect of soil reaction and zinc concentration on peanut tissue zinc}, volume={17}, DOI={10.3146/i0095-3679-17-1-6}, number={1}, journal={Peanut Science}, author={Cox, F. R.}, year={1990}, pages={15} }
 @article{cox_espejo_1990, title={Readily measurable soil properties that affect the phosphorus fertilizer requirement of Ultisols}, volume={21}, DOI={10.1080/00103629009368360}, number={17}, journal={Communications in Soil Science and Plant Analysis}, author={Cox, F. R. and Espejo, R.}, year={1990}, pages={2079} }
 @article{cox_martin_1974, title={Effect of temperature on time from planting to flowering in Virginia type peanuts (Arachis hypogaea L.)}, volume={1}, DOI={10.3146/i0095-3679-1-2-12}, number={2}, journal={Peanut Science}, author={Cox, F. R. and Martin, C. K.}, year={1974}, pages={86} }
 @inbook{cox_kamprath_1972, title={Micronutrient soil tests}, booktitle={Micronutrients in agriculture:  proceedings of a symposium held at Muscle Shoals, Alabama, April 20-22, 1971}, publisher={Madison:   Soil Science Society of America}, author={Cox, F. R. and Kamprath, E. J.}, year={1972}, pages={289} }