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5
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Fertiliser use research in some wheat based cropping system / R.B.L. Bhardwaj and H.L.S. Tandon.
- 856.1
- European nitrogen service programme,
- [ca. 1981].
- New Delhi :
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Soil fertility and fertiliser use research on wheat in India : a review / H.L.S. Tandon.
- 856.1
- European nitrogen service programme,
- 1980.
- New Delhi :
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NPK in Indian agriculture (1971-1975) : a bibliography of nitrogen, phosphorus, potassium and related factors in crops, soils, fertilisers and manures / [comp. by H.L.S. Tandon].
- 856.1
- European nitrogen service programme,
- 1978.
- New Delhi :
-
Soil fertility and fertiliser use in India / H.L.S. Tandon...[et al.].
- 856.1
- European nitrogen service programme,
- [ca. 1981].
- New Delhi :
-
Fertilizer promotion campaigns and the need for coordinated efforts / by H.L.S. Tandon.
- European nitrogen service programme,
- 1981.
- New Delhi :