Algai biofertilizers and rice cultivation
VENKATARAMAN, G. S
Algai biofertilizers and rice cultivation - New Delhi 1972 - 75p
RICE -- FERTILIZERS AND MANURES
ALGAE RICE -- FERTILIZERS AND MANURES
633.18 V41A
Algai biofertilizers and rice cultivation - New Delhi 1972 - 75p
RICE -- FERTILIZERS AND MANURES
ALGAE RICE -- FERTILIZERS AND MANURES
633.18 V41A