REFERENCES
- Barber , S.A. and Cushman , J. 1981 . “ Nitrogen Uptake Model for Agronomic Crops ” . In Modeling Waste Water Renovation-Land Treatment Edited by: Iskandar , I.K. 82 – 409 . New York : Wiley-Interscience .
- Claasen , N. and Barber , S.A. 1976 . Simulation Model for Nutrient Uptake from Soil by a Growing Plant Root System . Agron. J. , 69 : 961 – 964 .
- Cushman , J. 1979 . An Analytical Solution to Solute Transport Near Root Surface for Low Initial Concentrations . Soil Sci. Soc. Am. J. , 43 : 1087 – 1090 .
- Silberbush , M. and Barber , S.A. 1983 . Prediction of Phosphorus and Potassium Uptake by Soybeans with a Mechanistic Mathematical Model . Soil Sci. Soc. Am. J. , 47 : 262 – 265 .
- Oates , K. and Barber , S.A. 1987 . Nutrient Uptake: A Microcomputer Program to Predict Nutrient Absorption from Soil by Roots . J. Agron. Educ. , 16 : 65 – 68 .
- Reginato , J.C. , Tarzia , D.A. and Cantero , A. 1990 . On the Free Boundary Problem for the Michaelis–Menten Absorption Model for Root Growth . Soil Sci. , 150 : 722 – 729 .
- Reginato , J.C. , Tarzia , D.A. and Dzioba , M.A. 1993 . Analytical Study of the Effect of Some Soil and Plant Parameters on Root Growth Due to Absorption of One Mobile Ion: A Free Boundary Model . Plant Soil , 157 : 185 – 196 .
- Reginato , J.C. and Tarzia , D.A. 1993 . The Balance Integral Method Applied to Root Growth of Crops . Int. J. Eng. Sci. , 31 : 61 – 70 .
- Kelly , J.M. , Barber , S.A. and Edwards , G.S. 1992 . Modeling Magnesium, Phosphorus and Potassium Uptake by Loblolly Pine Seedling Using a Barber–Cushman Approach . Plant Soil , 139 : 209 – 218 .
- Delgado , J.A. and Amacher , M.C. 1997 . Modeling the Uptake of Sulfur by Crops on Three Alluvial Soils of Louisiana: Wheat . Commun. Soil Sci. Plant Anal. , 28 : 225 – 236 .
- Xuan , J.-X. , Zhang , L.-G. and Zhu , W.-M. 1991 . Mechanistic Model for Predicting NO3-N Uptake by Plants and Its Verification . Pedosphere , 1 : 97 – 108 .
- Reginato , J.C. , Palumbo , M.C. , Moreno , I.S. , Bernardo , I.C. and Tarzia , D.A. 2000 . Modeling Nutrient Uptake Using a Moving Boundary Approach: Comparison with the Barber–Cushman Model . Soil Sci. Soc. Am. J. , 64 : 1363 – 1367 .