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Scientific Publication Characterization of two humic acid fractions and their contribution to soil nitrogen supplying capacity of tropical lowland rice soils author(s) Nguyen Bao Ve from International Rice Research Institute (IRRI) permalink open published in 1996 themes Women's empowerment Youth Social Inclusion citation Nguyen Bao Ve, 'Characterization of two humic acid fractions and their contribution to soil nitrogen supplying capacity of tropical lowland rice soils', 1996 Publications and datasets provided via GARDIAN Open original