NITROGEN ACCUMULATION IN KAOLIN WASTES IN CORNWALL. IV: SWARD QUALITY AND THE DEVELOPMENT OF A NITROGEN CYCLESKEFFINGTON RA; BRADSHAW AD.1981; PLANT SOIL; ISSN 0032-079X; NLD; DA. 1981; VOL. 62; NO 3; PP. 439-451; BIBL. 20 REF.Article

ECOSYSTEM DEVELOPMENT ON NATURALLY-COLONIZED CHINA CLAY WASTES. II: NUTRIENT COMPARTMENTATIONMARRS RH; ROBERTS RD; SKEFFINGTON RA et al.1981; J. ECOL.; ISSN 0022-0477; GBR; DA. 1981; VOL. 69; NO 1; PP. 163-169; BIBL. 16 REF.Article