Marigold — 4Water, nutrients & weeds

• Irrigation and fertilizer

  Irrigate once a week or as and when necessary, and avoid water stagnation. Apply 45:90:75 kg NPK per hectare as basal, and 45 kg N per hectare as top dressing 45 days after planting.

  Pending expert review

  Source

  Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Marigold – Irrigation & nutrition, p. 258

  Region

  Tamil Nadu

  Last updated

  2026-11-04

• Micronutrient sprays (precision production)

  Spray FeSO4 0.5% + ZnSO4 0.5% on the 30th and 45th day after transplanting. Humic acid at 0.2% is also sprayed on the 30th and 45th day.

  Pending expert review

  Source

  Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Marigold (precision) – Micronutrients & biostimulants, p. 258

  Region

  Tamil Nadu

  Last updated

  2026-11-04