Sen S P, Palit P
Biofertilizers: potentialities and problems - Calcutta, Plant physiology forum 1988 - 263
Biofertilizers/nitrogen fixation
631.86 SEN
100
Biofertilizers: potentialities and problems - Calcutta, Plant physiology forum 1988 - 263
Biofertilizers/nitrogen fixation
631.86 SEN
100