National index of agril. field experiments: Central Institutes , 1948-53
Inst. of Agril. Res. Stat.
National index of agril. field experiments: Central Institutes , 1948-53 - New Delhi ICAR 1962 - 348
R630.954 / I-5N
National index of agril. field experiments: Central Institutes , 1948-53 - New Delhi ICAR 1962 - 348
R630.954 / I-5N