Measurements of nitrogen fixation in fababean at different N fertilizer rates using the 15N isotope dilution and ‘A-value’ methods

1991 ◽  
Vol 131 (2) ◽  
pp. 161-168 ◽  
Author(s):  
G. Hardarson ◽  
S. K. A. Danso ◽  
F. Zapata ◽  
K. Reichardt





2008 ◽  
Vol 45 (3) ◽  
pp. 253-263 ◽  
Author(s):  
Adriana Montañez ◽  
Cecilia Abreu ◽  
Paul R. Gill ◽  
Gudni Hardarson ◽  
Margarita Sicardi


1987 ◽  
Vol 5 (1) ◽  
Author(s):  
K.E. Giller ◽  
P.T.C. Nambiar ◽  
B. Srinivasa Rao ◽  
P.J. Dart ◽  
J.M. Day


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