Climate: Optimal in warm, humid conditions, It requires 125-250 cm annual rainfall; thrives at 1500m altitude.
Rhizome development: Prefers cool, dry climate; shade-loving plants need moisture for good growth.
Land Preparation
Land preparation: It involves creating raised beds 1m wide, 3-6m long, 15cm tall, with a 30cm gap for drainage, and cultivating in pits spaced 25cm apart.
Planting method: It includes opening ridges spaced 40-45cm apart, with planting done 22-30cm apart in small trenches.
Propagation
Propagation method: It relies on healthy setts, weighing 20-25g and measuring 2.5-5cm, each with 2-3 eye buds, treated with Dithane M-45 for 30 min before planting.
Seed Rate & Spacing
Seed rate: Recommended at 1500 kg/ha mother rhizomes, select healthy rhizomes free of pests and diseases.
Spacing: Plant at 40 x 20 cm in ridges and furrows, use rhizomes cut into pieces with two to three eye buds.
Time of sowing
Ginger planting typically begins from the first week of May to the middle of June, with the second to fourth night of May considered the optimal period.
For optimal results, plant at a seed rate of 1500kg/ha of mother rhizomes during the specified period.
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Method of Sowing
Irrigated Crop Spacing: Maintain 75cm between ridges and furrows, while utilizing 30 x 30cm spacing in raised beds.
Broad ridge method: It is a new technique used for better yield. ridges are made in a dimension of 75 cm wide, 20–30 cm high, and 30 cm between two ridges.
Harvesting and Yield
Ginger should be harvested when the leaves turn yellow and wither, usually 8-10 months after planting, depending on the variety.
Careful harvesting is crucial to minimize injury, weight loss, and decay risk, on average, a properly managed crop yields 20 t/ha.
Post Harvest
Dry ginger preparation: Peel only outer skin, sun-dry for a week, yield: 16-25% of green ginger.
Storage: Select disease-free rhizomes, treat with Carbendazim + Mancozeb, dry in shade, store in sand-lined pit with aeration holes.
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