Biological nitrogen fixation in farming systems of the tropics
Keyword(s):
1978 ◽
Vol 7
(4)
◽
pp. 604-605
Keyword(s):
Keyword(s):
Keyword(s):
Keyword(s):
2004 ◽
Vol 36
(8)
◽
pp. 1191-1193
◽
The contribution of biological nitrogen fixation for sustainable agricultural systems in the tropics
1997 ◽
Vol 29
(5-6)
◽
pp. 787-799
◽
1997 ◽
Vol 29
(5-6)
◽
pp. 771-774
◽
Keyword(s):
Keyword(s):
Keyword(s):