THE DERIVATION OF THE NITROGEN OF CROP PLANTS, WITH SPECIAL REFERENCE TO ASSOCIATED GROWTH

1934 ◽  
Vol 9 (4) ◽  
pp. 383-410 ◽  
Author(s):  
HUGH NICOL
2006 ◽  
Vol 96 (2-3) ◽  
pp. 207-215 ◽  
Author(s):  
L. Kristensen ◽  
J. Olsen ◽  
J. Weiner ◽  
H.W. Griepentrog ◽  
M. Nørremark

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