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- [35] FERTILIZERS AND RESIDUAL SOIL-NITROGEN ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1979, (SEP): : 2 - 2
- [36] FOREST FLOOR CHARACTERISTICS AND SOIL-NITROGEN AVAILABILITY ON SLASH-BURNED SITES IN COASTAL BRITISH-COLUMBIA CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, 1991, 21 (10): : 1516 - 1522
- [37] THE RELATION OF SOIL-NITROGEN TO ACCUMULATION OF NITROGEN IN POTATO PLANT ROSTLINNA VYROBA, 1993, 39 (11): : 977 - 986
- [40] POTENTIAL EFFECTS OF ACID PRECIPITATION ON SOIL-NITROGEN AND PRODUCTIVITY OF FOREST ECOSYSTEMS WATER AIR AND SOIL POLLUTION, 1982, 18 (1-3): : 405 - 412