PREDICTION OF SOIL NITROGEN AVAILABILITY IN FOREST ECOSYSTEMS: A LITERATURE REVIEWKEENEY DR.1980; FOR. SCI.; USA; DA. 1980; VOL. 26; NO 1; PP. 159-171; BIBL. 3 P.Article

¹⁵N ABUNDANCE IN ANTARCTICA: ORIGIN OF SOIL NITROGEN AND ECOLOGICAL IMPLICATIONSWADA E; SHIBATA R; TORII T et al.1981; NATURE, LONDON; GBR; DA. 1981; VOL. 292; NO 5821; PP. 327-329; BIBL. 22 REF.Article

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