All projects

Food & Farming

Grow more with less water and less bought input. These systems are built from drums, offcuts and organic waste, and are designed for dry-season resilience on small plots.

African-style keyhole garden bed built from stone and timber with a central compost basket
Food & FarmingVerified Build

Keyhole Garden with Central Compost Basket

A raised circular bed fed and watered from a compost basket at its centre — high yield on poor soil with very little water.

$0 – $20 using stone, scrap timber and household wasteBeginner
Gravity-fed drip irrigation lines running along raised vegetable beds
Food & Farming

Gravity Drip Irrigation from a Raised Barrel

A 200 L drum on a stand feeds drip lines by gravity alone, cutting garden water use by around 60% with no pump.

$30 – $90 depending on drip tape and drum priceBeginner
A treadle pump being demonstrated in Malawi, operator stepping on the twin pedals
Food & Farming

Treadle Pump for Smallholder Irrigation

A foot-powered twin-cylinder pump that lifts shallow groundwater or river water for a quarter-hectare plot without any fuel.

$70 – $180 in materials, or bought locally for around $100Advanced
Women building earth and stone contour bunds across a field in Burkina Faso
Food & FarmingVerified Build

Zai Pits and Stone Contour Bunds

Hand-dug planting pits and stone lines along the contour that catch runoff and rebuild crusted, degraded soil into cropland.

Under $20 — an A-frame level and hand toolsBeginner
An open worm composting bin with bedding and kitchen scraps breaking down
Food & Farming

Vermicompost Bin from Stacked Crates

A shaded worm bin that turns kitchen scraps into high-value castings and liquid feed, using stacked crates and a drain tap.

$10 – $30, less with salvaged cratesBeginner
An A-frame movable chicken ark framed in timber and clad with wire mesh
Food & Farming

Movable Chicken Tractor

A floorless, lightweight coop you shift daily so birds get fresh forage, the ground gets manured, and nobody has to muck out.

$40 – $120 depending on mesh and roofingIntermediate
A small hand-dug farm pond holding water on a smallholding in Kenya
Food & Farming

Lined Tilapia Fish Pond

A hand-dug, lined pond stocked with tilapia and fed on farm waste — a protein and income source that also stores irrigation water.

$150 – $400 for a 100 m² lined pondIntermediate
A top-bar hive opened to show combs built down from removable top bars
Food & Farming

Kenyan Top-Bar Beehive

A sloped-sided hive with removable top bars that lets you inspect and harvest comb without frames, foundation or imported equipment.

$25 – $70 per hive in timberBeginner
A woven raised grain storage basket used for pearl millet
Food & Farming

Raised Grain Granary

A woven or mud-plastered grain store raised on rat-guarded legs with a ventilated floor — cuts post-harvest loss without any chemicals.

$30 – $90 in local materialsIntermediate
Tree seedlings growing in polythene tubes laid out in a nursery bed
Food & Farming

Village Tree Nursery

Raise fruit, fodder and timber seedlings in polythene tubes under a shade frame — thousands of trees a year from a plot the size of a room.

$40 – $120 for tubes, shade net and watering kitBeginner
Oyster mushrooms fruiting from perforated substrate bags in a growing room
Food & Farming

Oyster Mushrooms on Straw

Pasteurise chopped straw, layer it with spawn in perforated bags, and crop oyster mushrooms in a dark shed within a month — high value from crop waste.

$15 – $50 per production cycleIntermediate
Bananas growing on a raised ring around a mulch-filled pit
Food & Farming

Banana Circle & Mulch Pit

Dig a shallow pit ringed with a soil berm, plant bananas and papaya on the ring, and feed the pit with kitchen water and green waste — a self-composting fruit machine.

$0 – $30 for suckers and mulchBeginner
A small insulated box egg incubator with trays of eggs
Food & Farming

Small Solar-Warmed Egg Incubator

Build an insulated box incubator with a thermostat and a small solar-charged battery to hatch 50 – 100 eggs where mains power is unreliable.

$80 – $300 including panel and batteryIntermediate
Threshed grain being winnowed to separate chaff
Food & Farming

Threshing Floor & Winnowing Set-Up

Lay a clean sealed threshing floor and build simple winnowing gear so grain comes off the field clean, dry and free of the grit that ruins flour and teeth.

$15 – $80 for a floor and basketsBeginner
Seedling beds growing under a shade-net tunnel on a light frame
Food & Farming

Shade Net Nursery Tunnel

A hooped shade tunnel that keeps seedlings alive through the hot months — the difference between a nursery that supplies a village and one that cooks in April.

$30 – $120 for netting, poles and wireBeginner
Labelled diagram of a timber fodder tray rack showing day-one to day-seven sprouted barley, drainage holes and drip channelDiagram
Food & Farming

Sprouted Fodder Trays

Sprout barley or maize on stacked trays and turn one kilo of grain into six to eight kilos of green fodder in a week — dry-season feed without a pasture.

$40 – $150 for a rack, trays and the first grainBeginner
Rabbits in a raised wire-mesh hutch on a smallholder farm
Food & Farming

Raised Rabbit Hutch

A raised, slatted hutch that keeps rabbits dry, cool and off their own droppings — the fastest small livestock protein a household can start.

$25 – $100 for timber, mesh and fittingsBeginner
Labelled cutaway diagram of a galvanised metal grain silo with filling hatch, seams, outlet spout and pallet baseDiagram
Food & Farming

Airtight Metal Grain Silo

A sealed sheet-metal silo that suffocates weevils and larger grain borer without chemicals — the single best defence against post-harvest loss.

$60 – $300 depending on capacityAdvanced
Interior of a community seed store with labelled clay storage pots
Food & Farming

Community Seed Bank Store

A cool, dark, dry store with sealed jars, labelling and a lending register so a village keeps its own varieties instead of buying seed every season.

$40 – $200 for shelving, jars, desiccant and a registerBeginner