HH-2: Feeding the World

HH-2 Uganda school children
Ugandan school children – good food will aid better concentration!


Two of the most commonly recurring issues in the developing world are nutrition and sanitation. Eating well and keeping water supplies clean, in other words.

With this in mind, the Mother and Child Foundation is pleased to support the work of Good Gardeners International and their HH-2 Horticultural System. Their ongoing work across Uganda is fully supported by The Institute of Brain Chemistry.

The HH-2 system is all about recycling waste and growing nutritious food. It digests all manner of organic material, taking just 90 days for raw waste to be converted to optimum fertiliser/soil conditioner.

This tackles the nutritional side of the equation with a winning combination of ingenuity, efficiency and simplicity. Applied to the ground without digging or ploughing, it achieves maximum carbon sequestration, and no nitrogen is lost from the earth.

The HH-3 DRY toilet system addresses the sanitation issue. It does away with the need for pit latrines, which leak into and therefore pollute water sources. The HH-3 produces waste which can then be processed into compost via the HH-2. The system is also cholera-, rat- and fly-proof.

Richard Higgins, the brains behind the project, comments:

HH-2 in action
HH-2 “Hot Boxes” in situ: rich compost = nutritious food. Photo courtesy of Good Gardeners International.

“Many schools in Uganda find it difficult to provide students with a balanced, nutritional diet. This is because they can’t afford the chemicals to kill the pests that attack their vegetables. As a result, essential greens are often lacking from their diet.

“The HH-2 addresses the problem, so that children can grow up with good food and full cognitive development.”

HH-2: Keeping it Simple

The HH-2 food growing system has no moving parts. It has been designed for maximum ease of use and self-sufficiency, and requires one trained operator who doesn’t need to be an experienced farmer. Installed in schools – as is the case in an ongoing project at Peters School in Jinja, Eastern Uganda – students and teachers will able to operate the system themselves.

HH-2 and HH-3 together protect drinking water, operate safe waste disposal, produce rich compost (known as HH-4), and thus nutritious food. The combined system represents a potential revolution in food production throughout Uganda and far beyond.

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