Show 250 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author exact FC055D84-F0ED-11E1-A9DE-61C894A0A6B4 or (type any "bookEditor journalEditor issueEdi... cql: keyword exact "delta n-15 signatures" Add to list Journal Article A1 Improved estimation of biological nitrogen fixation of soybean cultivars (Glycine max L. Merril) using 15N natural abundance technique P Houngnandan, RGH Yemadje, SO Oikeh, Fifame Carole Djidohokpin (UGent) , Pascal Boeckx (UGent) and Oswald Van Cleemput (UGent) (2008) BIOLOGY AND FERTILITY OF SOILS. 45(2). p.175-183