References
- Abd El‐Naim , E.M. , Y.N. Abd‐Allah , S.W. , El‐Basioni and El‐Gala , A.M. 1974 . Effect of iron chelated compounds on corn plants in highly calcareous soils . Agric. Res. Review Cairo , 52 : 161 – 167 .
- Anter , F. , Helal , M.H. and El‐Damaty , A.H. 1973 . Chemical and biological approach toward the definition of calcareous soil II. Plant growth, P32 and Fe uptake as affected by percentage of CaCO3 fraction . Plant Soil , 39 : 479 – 487 .
- Chapman , H.D. and Pratt , P.E. 1961 . Methods of analysis for soils, plant and water , Univ. Calif., Div. Agric. Sciences .
- El‐Gala , A.M. 1966 . The chemical behaviour of certain synthetic metal chelates in soil , USA : Arizona Univ. . Ph.D. dissertation
- El‐Gala , A.M. 1971 . Studies on the needs of sandy and calcareous soil to iron supply. . U.A.R. J. Soil Sci. , 11 : 39 – 46 .
- Fouda , E.E. 1976 . The differential effect of chelating compounds on the behaviour of some micro nutrients in soil and their availability to plants , Fac. of Agric. Zagazig Univ . M.Sc. Thesis
- Montasser , S.Y.B. 1980 . Effect of applying different organic residues to calcareous and sandy soils on the absorption and translocation of certain micro element . Fac. of Agric. Ain Shams Univ , M.Sc. Thesis
- Wallace , A. 1971 . Regulation of the microhutrient status of plant by chelating agents and other factors. Lithographed in U.S.A. , Ann. Arbor, Michigan : Edwards. Erothers, Inc. .
- Wallace , A. , Mueller , R. T. and Romney , E.M. 1976 . Excess EDDHA in the nutrient solution on iron uptake by bush bean plants . Comm. Soil Sci. Plant Anal. , 7 : 93 – 96 .