Micronutrient status of crops in selected areas is Egypt

References

• Barker , S. 1977 . Calibration of Olsen soil phosphorus test values with the phosphorus fertilizer requirement of sugar beets under Turkish soil and cultural conditions . Soil Sci. , 124 : 226 – 234 .
   Web of Science ®Google Scholar
• Bergmann , W. and Neubert , P. 1976 . Pflanzendiagnose und Pflanzenanalyse , 711 Jena : VEB, Gustav Fischer Verlag .
   Google Scholar
• Blackmore , L.C. , Searle , P.L. and Daly , B.K. 1972 . Methods for chemical analysis of soils , Soil Bur. Sci, Rep. No.10A. N. Zealand : Dept. Sci. Ind. Res. .
   Google Scholar
• Bowen , J.E. 1978 . Plant tissue analysis; costly errors to avoid . Crops and Soil Magazine , Dec. : 6 – 11 .
   Google Scholar
• Chapman , H.D. and Pratt , P.F. 1961 . Methods of Analysis for Soils, Plants and Waters , U.S.A : University of California. Division of Agricultural Sciences .
   Google Scholar
• Chapman , H.D. 1973 . Diagnostic Criteria for Plants and Soils California , , U.S.A. Riverside,
   Google Scholar
• De‐Barreda , D. and Primo , E. Jr. Micronutrients status of citrus orchards in Spain . Proc.2nd Workshop “Micronutrients and Plant Nutrition” . 1979 , Mariut‐Egypt . Edited by: El‐Fouly , M.M. pp. 113 – 121 .
   Google Scholar
• El‐Fouly , M.M. Egypto‐German Project Micronutrients and Plant Nutrition Problems in Egypt: Aims,outlines of organisation and progress . Proc.2. Workshop Micronu‐trients and Plant Nutrition . 1979 , Mariut‐Egypt . Edited by: El‐Fouly , M.M. pp. 125 – 150 .
   Google Scholar
• El‐Fouly , M.M. , ed. proc. 2nd Workshop “Micronutrients and Plant Nutrition” . June 22–27 1972 , Mariut‐Egypt .
   Google Scholar
• El‐Gazzar , A.M. , Wallace , A. and Nawar , A. 1979a . Leaf analysis of citrus in Egypt . Alexandria Journal of Agricultural Research , 27 ( 1 ) : 1 – 10 .
   Google Scholar
• El‐Gazzar , A.M. , El‐Azab , S.M. and El‐Safty , M. 1979a . Response of Washington Navel orange to folliar applications of chelated iron zinc and manganese . Alex. J. Agric. Res. , 27 ( 1 ) : 19 – 26 .
   Google Scholar
• Hassanein , H.G. , El‐Bagouri , I.H. and Yousry , M. 1980 . Evaluation of chemical extractants for determining the availability of iron, manganese zinc and copper in different soils . Egypt. J. Soil Sci. , 20 : 121 – 157 .
   Google Scholar
• Jackson , M.L. 1961 . “Soil Chemical Analysis” . Englwood, Cliffs, N.J. , , U.S.A. : Prentice Hall Inc. .
   Google Scholar
• Kilmer , V.J. and Alexander , L.T. 1949 . Methods of making mechanical analysis of soils . Soil Sci. , 68 : 15 – 24 .
   Web of Science ®Google Scholar
• Lindsay , W.L. and Norvell , W.A. 1978 . Development of a DTPA micronutrient soil test . Soil Sci. Soc. Amer. J. , 42 : 8
   Web of Science ®Google Scholar
• Ma , T.S. and Zuazage , C. 1942 . Micro‐Kjeldahl determination of nitrogen, a new indicator and an improved rapid method . Industr. Enq. Chem. Anal. Ed. , 14 : 280
   Google Scholar
• Naguib , A.I. and El‐Fouly , M.M. Proc. Egypt. Bot. Soc. Workshop . pp. 1 Cairo 1974
   Google Scholar
• Piper , C.S. 1950 . ”;Soils and Plant Analysis.” , New York , , U.S.A. : Inter. Sci. Publ. Inc. .
   Google Scholar
• 1977 . “ Project Micronutrients and Plant Nutrition problems in Egypt ” . In Part II, Reports of the Research Teams , Assiut, Mariut and NRC groups . 1978, 1979, 1980, 1981,(mimeo)
   Google Scholar
• Reuther , W. , Embelton , T.W. and Jones , W.W. 1958 . Mineral nutrition of tree crops . Ann. Rev. Plant Physiol. , 9 : 175 – 206 .
   Google Scholar
• Reuther , W. and Jones , W.W. 1965 . Leaf analysis. New guide to orange nutrition . World Farming , 7/11 : 26 – 27 . 44 46
   Google Scholar
• Taylor , N.H. and Pholen , I.J. 1970 . Soil Survay Method , Soil Bur. Bull. No.25 N. Zealand : Dept. Sci. Ind. Res. Lower Hutt .
   Google Scholar
• Walkley , A. and Black , I.A. 1934 . An examination of the Degtjareff method for determining organic matter and proposed modification of the chromic acid titration method . Soil Sci. , 37 : 29
   Web of Science ®Google Scholar
• Wallace , A. Some potential micronutrients. problems of sandy desert soils of the Near‐East . Proc. 2nd Workshop “Micronutrients and Plant Nutrition” . Mariut‐Egypt . Edited by: El‐Fouly , M.M. pp. 75 – 88 .
   Google Scholar