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Fonio imported image

Crop details

Fonio

Digitaria exilis
Family: Poaceae

Quick stats

Family Poaceae
Typical harvest 1.2 t/ha
Varieties 1
Pests & diseases 2
Seasons 1

Crop profile

Growth habit annual
Days to harvest 90
Main uses Fast-maturing grain for porridge, couscous-like foods, and resilience cropping.
Pollination wind
Origin / where it grows West African staple with growing interest across dryland African systems.

Weather, soil & spacing

Best temperature 18–30 °C
Rainfall 400–800 mm/yr
Altitude 300–1800 m
Best pH 6–7
Soil type Well-drained loam to clay loam with moderate fertility.
Row spacing 20 cm
Plant spacing 5 cm
Planting depth 4 cm
Seed rate 20 kg/ha
Nursery days

Simple notes for farmers

About the crop: This crop is annual. You plant, grow and harvest it in one main season, then plant again. You can normally start harvesting about 90 days after planting, depending on care and variety.

Main use: Farmers mostly grow this crop for fast-maturing grain for porridge, couscous-like foods, and resilience cropping..

Pollination: This crop is mainly pollinated by wind. Keeping flowers healthy and having insects like bees in the field helps improve fruit set and yields.

Where it grows: West African staple with growing interest across dryland African systems. It is grouped under: Cereals & Pseudocereals.

Best climate: This crop does well in warm areas where the temperature is usually between 18 and 30 degrees Celsius. It prefers places that receive around 400 to 800 millimetres of rain in a year. It can grow from near sea level up to about 1800 metres above sea level.

Soil: The crop grows best in slightly acidic to near neutral soils, with a pH of about 6 to 7. It does well in well-drained loam to clay loam with moderate fertility.. Good drainage is important, so avoid waterlogged spots.

Plant spacing: Plant in rows about 20 centimetres apart, and leave about 5 centimetres between plants in the row. This gives each plant enough space for roots and canopy to spread.

Planting depth: Dig planting holes or furrows about 4 centimetres deep so the roots sit firmly in the soil but are not buried too deep.

Seed or planting material: Use around 20 kilograms of seed or planting material per hectare. Spread or plant evenly so the field has a good stand without being overcrowded.

Farmer guide (mwongozo wa mkulima)

Planting: Direct-seed Fonio into a fine firm seedbed at onset of reliable rains.
Transplanting: Not transplanted.
Irrigation: Maintain moisture during establishment and grain filling where irrigation is used.
Fertigation: Split nitrogen between planting and early vegetative growth where moisture allows.
Pest scouting: Scout Fonio for aphids, armyworms, foliar diseases, and lodging risk.
Pruning: No pruning needed; keep weeds low during early establishment.
Harvest: Harvest Fonio when grains harden and heads dry down evenly.
Postharvest: Dry grain well before threshing and storage.

Nutrient schedule (mbolea kwa hatua)

# Stage DAP Product Rate Targets (kg/ha) Notes
1 Basal 0 DAP 100 kg/ha N: 18, P₂O₅: 46, K₂O: — Starter fertilizer for Fonio establishment.
2 Topdress 28 CAN 100 kg/ha N: 26, P₂O₅: —, K₂O: — Topdress Fonio before rain or irrigation.

Nutrient requirements

Nutrient Stage Amount Unit
N Basal 25 kg/ha
P₂O₅ Basal 25 kg/ha
K₂O Basal 20 kg/ha
N Topdress 30 kg/ha

Field images (picha shambani)

Fonio imported image
Fonio imported image
Primary
Fonio imported image
Fonio imported image
Fonio imported image
Fonio imported image
Name Country Maturity Traits
Dryland Fonio UG 90 Short-season dryland grain type.
Stage Product Rate (kg/ha) Notes
Planting DAP 100 Basal phosphorus for Fonio establishment.
Topdress CAN 100 Nitrogen support for Fonio vegetative growth.
Name Type Symptoms Management
Aphids pest Sap sucking on leaves and grain heads. Scout early, preserve beneficial insects, and control when thresholds are exceeded.
Leaf rust disease Rust pustules on leaves reducing grain fill. Use tolerant varieties, rotation, and timely disease control.
System Typical Min Max Notes
Rainfed smallholder production 1.2 0.7 2 Typical grain yield under practical Fonio management.
Country Region Planting Harvest
UG Dryland Trial Areas Mar-Apr Jun-Jul
Country Region Suitability
UG Dryland Trial Areas Medium