Rosell, Ramón Antonio.
Organic components in Argentine soils : I.- Nitrogen distribution in soils and their humic acids / R.A. Rosell, J. Chr. Salfeld und H. Söchtig.
— 1978. — p. : il. ; 25 cm.
Agrochimica — v. XXII (2), pp. 98-105
Publicaciones del LAHBIS.
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