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From Tamil Nadu to the World: The 60-Day Journey of a Coco Peat Block
Overseas Exim | From Source to Shelf
Every time a grower drops a compressed coco peat block into a bucket of water and watches it expand to 75 litres of rich, airy growing medium, they're witnessing the end point of a remarkable 60-day journey that begins on a coconut farm in Tamil Nadu.
At Overseas Exim (www.overseasexim.com), we manage this journey end-to-end. This is the complete story of how a coco peat block gets from a coconut tree to a grower's greenhouse, step by step.
Days 1-10: The Coconut Harvest
The journey begins in a coconut palm grove — in districts like Pollachi, Coimbatore, Tirunelveli, or Erode, where Tamil Nadu's coconut belt stretches across thousands of hectares.
Coconuts are harvested year-round (Tamil Nadu's tropical climate enables 3-4 harvests annually). The outer fibrous husk — which makes up roughly 35% of the total coconut weight — was historically considered waste. Today, it's a premium export commodity.
After harvest, coconut husks are transported to coir retting yards, where husks are retted (soaked) in water to separate the fibres and pith from the longer coir fibres.
Days 10-25: Processing at the Coir Unit
Washing
Raw coco peat naturally contains elevated levels of sodium and potassium salts. Overseas Exim's triple-washing process reduces EC from typical raw levels of 3-6 mS/cm down to below 0.5 mS/cm (standard) or below 0.3 mS/cm (ultra-low EC premium grade).
pH Correction
After washing, pH is tested and adjusted to our target range of 5.8-6.5.
Drying
Our processing units use sun-drying supplemented by mechanical drying to achieve the target moisture content of 18-22% — optimal for block compression and mould prevention during shipping.
Compression and Block Formation
Dried coco peat is fed into hydraulic presses that compress it at high pressure into uniform blocks. A standard 5kg block is compressed at ratios of up to 5:1, dramatically reducing volume for efficient container packing.
Days 25-35: Quality Testing and Documentation
Before any shipment leaves our facility, every batch undergoes our standard quality protocol: