Cropping systems and soil fertility management in the humid and subhumid tropics with special reference to West Africa

Author(s):  
B. T. Kang
2021 ◽  
Vol 122 ◽  
pp. 126169
Author(s):  
Johannes Wilhelmus Maria Pullens ◽  
Peter Sørensen ◽  
Bo Melander ◽  
Jørgen Eivind Olesen

1999 ◽  
Vol 61 (2) ◽  
pp. 125-145 ◽  
Author(s):  
M.C.S Wopereis ◽  
C Donovan ◽  
B Nebié ◽  
D Guindo ◽  
M.K N'Diaye

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