Why phosphorus and organic matter matter
Turmeric is a rhizome crop grown on raised beds that benefits from organic-rich soil. Organic matter improves soil structure and drainage, and phosphorus supports root and rhizome development.
Published recommendations for turmeric
| Input | Published recommendation | Timing | Source |
|---|---|---|---|
| Organic manure | Farmyard manure (FYM) or compost at 30–40 t ha-1, broadcast and worked into the soil during land preparation, or applied as a basal dose on beds or in planting pits, as recommended by ICAR-IISR | Land preparation / planting | ICAR-IISR & AICRP on Spices, Good Agricultural Practices for Turmeric (2026) |
| Vermicompost (integrated organic) | Oil cakes (2 t ha-1), wood ash (1 t ha-1) and vermicompost (4 t ha-1), with biofertilisers, as standardised by ICAR-IISR | With the organic manure application | ICAR-IISR & AICRP on Spices, Good Agricultural Practices for Turmeric (2026) |
| Organic manure + cake | Basal FYM 25 t/ha with neem or groundnut cake 200 kg/ha, and 25:60:18 kg NPK/ha at planting, as recommended by TNAU | Basal, at planting | TNAU Agritech Portal, Turmeric – manuring |
Note: No dose is given for bone meal. ICAR-IISR lists bone meal with SSP and rock phosphate as an option for phosphorus deficiency, "based on soil test recommendations".
These are general published recommendations for the crop, quoted as the source gives them. They are not FAMCO product doses. Follow a soil test and your local agriculture or horticulture office.
FAMCO products
Bulk sacks: bulk bone meal supplier. Product details: bone meal and vermicompost. Bone meal lab report (PDF).
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Sources
- ICAR-IISR & AICRP on Spices, Good Agricultural Practices for Turmeric (2026) (accessed 26 Oct 2026)
- TNAU Agritech Portal, Turmeric – manuring (accessed 26 Oct 2026)