1
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Material Type: Artigo
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Contamination of soils and plants by heavy metals in Helwan District, Egypt
El Falkay, A.A ; Hussein, T. (Water Distribution and irrigation Institute Systems, Cairo (Egypt))
Beitraege zur tropischen Landwirtschaft und Veterinaermedizin (German D.R.), 1989, Vol.27 (3)
Sem texto completo
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2
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Material Type: Artigo
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Laboratory control of nitrification in tropical soils
Hoffmann, R ; Maibaum, W. (Karl-Marx-Universitaet Leipzig (German D.R.). Institut fuer tropische Landwirtschaft)
Beitraege zur tropischen Landwirtschaft und Veterinaermedizin (German D.R.), 1989, Vol.27 (1)
Sem texto completo
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3
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Material Type: Artigo
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Some physical and chemical properties of alluvial soils of the lower Niger in southeastern Nigeria
Mbagwu, J.S
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin, 1986, Vol.24 (4), p.389-398
Sem texto completo
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4
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Material Type: Artigo
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distribution of zinc in some Egyptian soils
Orabi, A.A ; Keshk, M.A ; Ismail, S.A
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin, 1981, Vol.19 (1), p.77-83
Sem texto completo
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5
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Material Type: Artigo
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effect of some soil properties on manganese adsorption isotherms for some soils of Egypt
El-Kherbawy, M.I ; Holah, S.S
Beitrage zur tropischen Landwirtschaft und Veterinarmedizin, 1981, Vol.19 (1), p.85-90
Sem texto completo
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