Primer on organic-based rice farming
PANDEY, R. K
Primer on organic-based rice farming - Manila 1991 - 201p
RICE -- - FERTILIZERS AND MANURES
GREEN MANURE CROPS RICE -- - FERTILIZERS AND MANURES
633.18 P14P
Primer on organic-based rice farming - Manila 1991 - 201p
RICE -- - FERTILIZERS AND MANURES
GREEN MANURE CROPS RICE -- - FERTILIZERS AND MANURES
633.18 P14P