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Bambara groundnut

Voandzeia subterranea (L)T.

Temperature

19°C to 30°C

Rainfall

675mm to 1575mm per season

A bambara groundnut plant growing in red soil

Conditions

What it needs

Soil

Light, sandy, well-drained soil. It produces on land too poor for groundnut, which is much of why it is still grown.

Water

Drought-hardy once established, and it fixes its own nitrogen. Rain at pod fill decides the crop.

What you will need

Tick what you already have; Grow carries the rest into the cost working.

Grow holds no supplier listings and no local prices, so it cannot tell you where to buy these or what they cost near you. Ask at your nearest agrodealer or extension office, then put those figures into the planner.

Through the season

Stages

  1. 01

    Land preparation

    10 days
    • Plough
    • Make ridges
  2. 02

    Planting

    3 days
    • Sow with the rains
  3. 03

    Establishment

    25 days
    • First weeding
    • Thin where crowded
  4. 04

    Flowering and pegging

    30 days
    • Earth up
    • Do not disturb the pegs
  5. 05

    Pod fill

    40 days
    • Keep weeds down
  6. 06

    Harvest and drying

    14 days
    • Lift the whole plant
    • Dry pods fully before storing

Watch for

Common problems

  • Leaf spot

    What you will see
    Dark spots on leaves that spread until the plant defoliates.
    What to do
    Rotate, use clean seed, and remove residue after harvest.
  • Aphids

    What you will see
    Curled growing tips with clusters of small insects underneath.
    What to do
    Ladybirds usually clear light infestations. Ask an extension officer before spraying anything on a flowering crop.

Follow the label for doses, and ask an extension officer or vet before using a chemical you have not used before.

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