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1Digital revistaSCIELO
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2Texto bibliotecaFAO IT
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4Texto bibliotecaECOSUR
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5bibliotecaIICA
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6Texto bibliotecaFAO IT
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8Recent findings on the characterization of humic substances extracted from soils from widely differing climatic zones Recent findings on the characterization of humic substances extracted from soils from widely differing climatic zonesby Schnitzer, M., FAO, Vienna (Austria). Joint FAO/IAEA Div. of Atomic Energy in Food and Agriculture eng, Symposium on Soil Organic Matter Studies eng 6 Sep 1976 Braunschweig (Germany, F.R.)
Published AprTexto bibliotecaFAO IT -
9Structure chimique des acides humiques et fulviques du sol Structure chimique des acides humiques et fulviques du solby Neyroud, J.-A., FAO, Vienna (Austria). Joint FAO/IAEA Div. of Atomic Energy in Food and Agriculture eng, Symposium on Soil Organic Matter Studies eng 6 Sep 1976 Braunschweig (Germany, F.R.), Schnitzer, M.
Published AprTexto bibliotecaFAO IT -
10Aggregation-dispersion phenomena in humic substances Aggregation-dispersion phenomena in humic substancesby Senesi, N., FAO, Vienna (Austria). Joint FAO/IAEA Div. of Atomic Energy in Food and Agriculture eng, Symposium on Soil Organic Matter Studies eng 6 Sep 1976 Braunschweig (Germany, F.R.), Chen, Y., Schnitzer, M.
Published AprTexto bibliotecaFAO IT