REFERENCES
- Boaretto , A. E. and Muraoka , T. 1995 . Foliar fertilization: Problems and perspectives . Brazilian Congress of Soil Fertility and Plant Nutrition Proceedings , 21 : 124 – 65 .
- Clark , R. B. 1975 . Characterization of phosphatase of intact maize roots . Journal of Agricultural Food Chemistry , 23 : 458 – 460 . [CROSSREF] [CSA]
- Fahn , A. 1990 . Plant anatomy , Oxford : Pergamon Press .
- Fávaro , J. R. A. 1992 . Growth and production of Coffea arabica L. as affected by foliar nutrition with zinc in presence of potassium chloride , PhD diss. Federal University .
- Garcia , A. W. R. , Martins , M. and Toledo , A. R. 1980 . Observations on foliar zinc and boron absorption by coffee as affected by other salts , Abstracts 1–2 Vol. 8 , São Paulo : Brazilian Congress of Coffee Research .
- Garcia , A. W. R. and Salgado , A. R. 1981 . Zinc absorption by coffee trees from salts and chelates , Abstracts 39–47 Vol. 9 , São Lourenço, , Brazil : Brazilian Congress of Coffee Research .
- Goubran , F. H. and Richards , D. 1979 . The estimation of root length in samples and subsamples: Comparison of a visual and an automatic method . Plant and Soil , 52 : 77 – 83 . [CROSSREF] [CSA]
- Haag , H. P. and Sarruge , J. R. 1965 . Zinc absorption by coffee detached roots . Agronomic Studies , 6 : 133 – 139 . [CSA]
- Hallmark , W. B. and Barber , S. A. 1984 . Root growth and morphology, nutrient uptake and nutrient status of early growth of soybeans as affected by soil P and K . Agronomy Journal , 76 : 209 – 212 . [CSA]
- Kochian , L. V. 1993 . “ Zinc absorption from hydroponic solutions by plant roots ” . In Zinc in soil and plants , Edited by: Robson , A. D. 45 – 47 . Dordrecht, , Netherlands : Kluwer Academic Publishers .
- Loneragan , J. F. , Kirk , G. J. and Webb , M. J. 1987 . Translocation and function of zinc in roots . Journal of Plant Nutrition , 10 : 1287 – 1254 . [CSA]
- Marschner , H. 1993 . “ Zinc uptake from soils ” . In Zinc in soil and plants , Edited by: Robson , A. D. 59 – 77 . Dordrecht, , Netherlands : Kluwer Academic Publishers .
- Marschner , H. , Romheld , V. and Cakmak , I. 1987 . Root-induced changes of nutrient availability in the rizosphere . Journal of Plant Nutrition , 10 : 1175 – 1184 . [CSA]
- Martinez , H. E. P. , Novais , R. F. , Rodrigues , L. A. and Sacramento , L. V. S. 1993 . Behaviour of soybean varieties grown in different phosphorus rates: Kinetics of phosphorus absorption and morphological adjustments of the plant . Brazilian Journal of Soil Science , 17 : 231 – 238 . [CSA]
- Mullins , G. L. and Sommers , L. E. 1986 . Cadmium and zinc influx characteristics by intact corn (Zea mays L.) seedlings . Plant and Soil , 96 : 153 – 164 . [CSA]
- Riseman , A. and Craig , R. 2000 . Physiological and morphological traits associated with zinc efficiency in Exacum . Plant and Soil , 219 : 4 – 7 . [CROSSREF] [CSA]
- Rodrigues , S. D. 1990 . Zinc metabolism , São Paulo : Institute of Biology, São Paulo State University .
- Ruiz , H. A. 1985 . Estimate of Km and Vmax through a graph-mathematic approach . Ceres , 32 : 79 – 84 . [CSA]
- Ruiz , H. A. and Fernandes Filho , E. I. 1992 . Cinética: Software to estimate Vmax and Km . Annals ofBrazilian Congress of Soil Fertility and Plant Nutrition , 20 : 124 – 125 . [CSA]
- Sacramento , L. V. S. and Rosolem , C. A. 1996 . Bases for calculating the absorption kinetic parameters of potassium in soybeans . Latin-American Congress of Soil Science , 13 CD-ROM[CSA]
- Sacramento , L. V. S. and Rosolem , C. A. 1997 . Kinetics of potassium absorption and its adjustments in soybean plants as affected by plant age and nutritional status . Brazilian Journal of Soil Science , 21 : 213 – 219 . [CSA]
- Sharma , A. K. , Srivastava , P. C. and Johri , B. N. 1994 . “ Contribution of VA micorhiza to zinc uptake in plants ” . In Biochemistry of metal micronutrients in the rhizosphere , Edited by: Manthey , J. A. , Crowley , D. E. and Luster , D. G. 111 – 123 . Boca Raton, FL : Lewis Publishers .
- Sharma , C. P. and Sharma , P. N. 1987 . Mineral nutrient deficiencies affect plant water relations . Journal of Plant Nutrition , 10 : 1637 – 1643 . [CSA]
- Tennant , D. A. 1975 . A test of a modified line intersect method of estimating root length . Journal of Ecology , 63 : 995 – 1001 . [CSA]
- Veltrup , W. 1978 . Characteristics of zinc uptake by barley roots . Physiologia Plantarum , 42 : 190 – 194 . [CSA]
- Weeb , M. J. 1994 . “ Recent aspects of Mn and Zn absorption and translocation in cereals ” . In Biochemistry of metalmicronutrients in the rhizosphere , Edited by: Manthey , J. A. , Crowley , D. E. and Luster , D. G. 183 – 98 . Boca Raton, FL : Lewis Publishers .