Post-Harvest Processing
Up to 40% of Nigerian produce is lost after harvest. Processing — drying, milling, packaging, smoking — turns perishable produce into stable, higher-value products. This guide covers the principles and key technologies that capture value instead of losing it.
From land cultivation to post-harvest and sales
Follow each stage in order — the full value chain for post-harvest processing.
Sorting & Grading
Immediately after harvest, sort produce by quality and size. Remove damaged, diseased or bruised items — they accelerate spoilage in the whole batch. Grade by size and ripeness for different markets. This first step alone reduces losses sharply.
- Remove damaged items immediately — they spoil the batch
- Grade by size and ripeness for different markets
- Sorting alone cuts losses significantly
Drying & Dehydration
Drying is Nigeria's most accessible preservation method — for cassava (garri, lafun), pepper, tomato, fish, and grains. Use solar dryers or mechanical dryers for uniform, hygienic drying that reduces aflatoxin risk versus open sun-drying. Target the right moisture for each product.
- Solar/mechanical dryers beat open sun-drying on quality
- Reduces aflatoxin and contamination risk
- Match final moisture to the product
Milling & Processing
Convert raw produce into higher-value products: cassava → garri/fufu/HQCF; grains → flour; oil palm → red oil; fish → smoked fish. Mechanised graters, mills, and presses cut labour and raise throughput. Processing centres cluster for shared equipment.
- Cassava → garri, fufu, HQCF; grains → flour
- Mechanised mills/graters cut labour sharply
- Shared processing centres lower equipment cost
Packaging
Package in clean, labelled, food-grade materials. Proper packaging protects quality, extends shelf life, and enables branding. Use hermetic bags (PICS) for grains, sealed bags for garri/flour, and branded packs for retail. Labelling builds trust and premium pricing.
- Food-grade, labelled packaging enables branding
- Hermetic (PICS) bags protect stored grains
- Branded labels command premium retail prices
Storage
Store processed products in cool, dry, pest-proof conditions. For fresh produce, evaporative coolers and cold storage extend shelf life. Proper storage lets you hold stock off-season to sell at peak prices — a major profit strategy.
- Cool, dry, pest-proof storage for processed goods
- Evaporative coolers/cold storage for fresh produce
- Off-season storage captures peak prices
Marketing Processed Products
Processed products reach supermarkets, exporters, and online markets that raw produce cannot. Brand and certify (NAFDAC where required) for retail. Processed, packaged goods have year-round demand and far higher margins than raw produce.
- Processed goods reach supermarkets and exporters
- NAFDAC certification enables formal retail
- Year-round demand and higher margins than raw produce
Watch & learn
Curated, Nigerian-localised training clips from accredited sources and Nigerian farmers.
Addressing Nigeria's Post-Harvest Losses (Business Daily)
Overview of Nigeria's post-harvest loss challenge.
Watch on YouTubeAdoption of Postharvest Packaging Tech for Tomatoes in Nigeria
Reusable plastic crates reducing tomato losses.
Watch on Nature (Research)Managing Post-Harvest Crop Loss (EWS-KT Nigeria)
Post-harvest innovations from Nigeria.
Watch on FacebookOne-page cost sheet
Type your figures in the rows below. Totals update live. Print it out and fill the rest with a biro, or download a Word file to keep on your phone.
Youth in Digital Extension · FUTA · TETFund
Post-Harvest Processing
Cross-cutting · Where most Nigerian farm value is lost — or captured.
Expected revenue
| Product | Qty | Unit price (₦) | Total (₦) |
|---|---|---|---|
| Primary product / service(units) | — | ||
| Secondary product(units) | — |
Capital & equipment
| Item | Qty | Unit cost (₦) | Total (₦) |
|---|---|---|---|
| Machinery / equipment(per unit) | — | ||
| Tools & accessories(per unit) | — | ||
| Infrastructure (shed / store)(per unit) | — |
Operating inputs
| Item | Qty | Unit cost (₦) | Total (₦) |
|---|---|---|---|
| Raw materials(per batch) | — | ||
| Packaging materials(per batch) | — | ||
| Consumables (fuel / power)(per month) | — |
Services & training
| Item | Qty | Unit cost (₦) | Total (₦) |
|---|---|---|---|
| Training / skills(per person) | — | ||
| Extension / advisory(per month) | — | ||
| Certification (NAFDAC)(per year) | — |
Labour & logistics
| Item | Qty | Unit cost (₦) | Total (₦) |
|---|---|---|---|
| Permanent labour(per month) | — | ||
| Casual / temporary labour(person-days) | — | ||
| Transport / logistics(per trip) | — |
Digital & marketing
| Item | Qty | Unit cost (₦) | Total (₦) |
|---|---|---|---|
| Phone / data(per month) | — | ||
| Apps / subscription(per month) | — | ||
| Branding & labels(per batch) | — | ||
| Transport to buyers(per trip) | — |
Figures are editable and stay on this device. For planning only — verify current input prices with local agro-dealers and extension officers.