- Any one of the green manure crops like sunnhemp, wild indigo, calapagonium or daincha may be sown and ploughed in situ at the time of flowering as a substitute of compost to be applied.
- Sow sunnhemp @ 50 g/palm in the basin and incorporate before flowering.
- Coir pith compost / vermicompost made from coir pith/ coconut leaves/ other wastes from coconut grove can be applied.

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