REFERENCES
- Römheld , V. and El-Fouly , M. M. 1999 . “ Foliar Nutrient Application: Challenges and Limits in Crop Production. ” . In Proceedings of 2nd Intl. Workshop on Foliar Fertilization Edited by: Suwanarit , A. 1 – 32 . Bangkok, , Thailand
- Brown , P. H. 1999 . “ Foliar Fertilization of Tree Crops. ” . In Proceedings of 2nd Intl. Workshop on Foliar Fertilization Edited by: Suwanarit , A. 139 – 162 . Bangkok, , Thailand
- Pongsakul , P. and Ratanarat , S. 1999 . “ An Overview of Foliar Fertilization for Rice and Field Crops in Thailand. ” . In Proceedings of 2nd Intl. Workshop on Foliar Fertilization Edited by: Suwanarit , A. 199 – 220 . Bangkok, , Thailand
- Suwanarit , A. and Sestapukdee , M. 1989 . Stimulating Effects of Foliar K-Fertilizer Applied at the Appropriate Stage of Development of Maize: A New Way to Increase Yield and Improve Quality. . Plant Soil , 120 : 111 – 124 .
- Peuke , A. D. , Jeschke , W. D. , Dietz , K. J. , Schreiber , L. and Hartung , W. 1998 . Foliar Application of Nitrate or Ammonium as Sole Nitrogen Supply in Ricinus communis. I. Carbon and Nitrogen Uptake and Inflows. . New Phytol. , 138 : 675 – 687 .
- Eichert , T. and Burkhardt , J. 1999 . “ A Novel Model System for the Assessment of Foliar Fertilizer Efficiency. ” . In Proceedings of 2nd Intl. Workshop on Foliar Fertilization Edited by: Suwanarit , A. 41 – 54 . Bangkok, , Thailand
- Tyree , M. T. , Scherbatskoy , T. D. and Tabor , C. A. 1990 . Leaf Cuticles Behave as Asymmetric Membranes: Evidence from the Measurement of Diffusion Potentials. . Plant Physiol. , 92 : 103 – 109 .
- Below , F. E. , Lambert , R. J. and Hageman , R. H. 1984 . Foliar Applications of Nutrients on Maize: Yield and N Content of Grain and Stover. . Agron. J. , 76 : 773 – 777 .
- Barel , D. and Black , C. A. 1979 . Foliar Application of P. II. Yield Response of Corn and Soybeans Sprayed with Various Condensed Phosphates and P–N Compounds in Greenhouse and Field Experiments. . Agron. J. , 71 : 21 – 24 .
- Harder , H. J. , Carlson , R. E. and Shaw , R. H. 1982 . Corn Grain Yield and Nutrient Response to Foliar Fertilizer Applied During Grain Fill. . Agron. J. , 74 : 106 – 110 .
- Coombs , J. , Hind , G. , Leegood , R. C. , Tieszen , L. L. and Vonshak , A. 1985 . “ Analytical Techniques. ” . In Techniques in Bioproductivity and Photosynthesis Edited by: Coombs , J. 219 – 228 . Oxford : Pergamon Press: . 2nd Ed.;
- Walinga , I. , Van der Lee , J. J. , Houba , V.J. G. , Van Vark , W. and Novozamsky , I. 1995 . Plant Analysis Manual 272 pp Dordrecht, , Netherlands : Kluwer Academic Publishers: .
- Olsen , S. R. and Sommers , L. E. 1982 . “ Phosphorus. ” . In Methods of Soil Analysis. Part 2. Chemical and Biological Properties Edited by: Page , L. A. Vol. Agron. No. 9 , 403 – 430 . Madison, WI : ASA-SSSA: . 2nd Ed.;
- Tennant , D. A. 1975 . Test of a Modified Line Intersect Method of Estimating Root Length. . J. Ecol. , 63 : 995 – 1001 .
- Gagnon , J. , Roth , J. M. , Finzer , W. F. , Haycock , K. A. and Feldman , D. S. 1989 . SuperANOVA TM Berkeley, CA : Abacus Concepts: .