Nitrogen fixation in Tropical cropping systems
Giller, Ken E.
Nitrogen fixation in Tropical cropping systems - Wallingford C.A.B. Int. 1991 - 24cm; 313
NITROGEN -- FIXATION
CROPPING SYSTEM -- TROPICS NITROGEN -- FIXATION
631.847 G37N
Nitrogen fixation in Tropical cropping systems - Wallingford C.A.B. Int. 1991 - 24cm; 313
NITROGEN -- FIXATION
CROPPING SYSTEM -- TROPICS NITROGEN -- FIXATION
631.847 G37N