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Report on the findings of trials and demonstrations on food crops conducted in India by the European nitrogen service programme, rabi 1968-69, kharif 1969, rabi 1969-70
- ENSP,
- 1971.
- New Delhi :
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Report of demonstration on balanced fertiliser use conducted by European nitrogen service programme in India during 1976-78 / European nitrogen service programme.
- 856.1
- ENSP,
- 1979.
- New Delhi :
-
Report of demonstrations on balanced fertiliser use conducted by European nitrogen service programme in India during 1979-81 / European nitrogen service programme.
- 856.1
- ENSP,
- 1981.
- New Delhi :