National Symposium on "Approach to Higher Productivity of Crops" (1978 : Calcutta, India) (Meeting Name)

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Preferred form: National Symposium on "Approach to Higher Productivity of Crops" (1978 : Calcutta, India)

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Work cat.: (): National Symposium on "Approach to Higher Productivity of Crops" (1978 : Calcutta, India), Higher productivity in agriculture :, c1980