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      Sampling problems for the chemical analysis of sludge, soils and plants Proc. of a Round table seminar organised by the Commiss. of the Europ. communities, Directorate-general Science, research a. development, Environmental research progr., held in Bordeaux, France, 6-7 Nov. 1985 Ed. by A. Gomez et al.:
      Selected papers of the Dakar symposium on acid sulphate soils, Dakar, Senegal, January, 1986 Ed. by H. Dost:
      Soil science and management Edward J. Plaster:
      S?minaire sur le potassium, Abidjan/C?te d`Ivoire, Oct. 1980 [Rapports]:
      Teplota pudy v chladn? ??sti roku v obdob? 1961-1990 na ?zem? ?esk? Republiky Vladim?r Coufal, Ivan Kott, Martin Mo?n?:
      Tropical soil biology and fertility A handb. of methods IUBS etc. ; Ed. by J. M. Anderson a. J. S. I. Ingram:
      Tr?pusi talajok Fekete J?zsef:
      Unser Boden Dr. sc. Dieter Graf:
      Uses of soil information systems Proc. of the Austral. meet. of the ISSS Working group on soil inform. systems Canberra, Australia, March 2-4, 1976 Alan W. Moore a. Stein W. Bie (eds.):
      Untersuchungen zur profildifferenziertenvariabilit?t der Schwermetalle Cr, Mn, Fe, Ni, Cu, Zn und Pb in rezenten und fossilen Parabraunerden Baden-W?rttembergs G?nther Scherelis:




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