Practical Action Publishing

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  Mushroom Growing

  Developing commercial cultivation of mushrooms is growing throughout Africa. This brief focuses on this practice in Zimbabwe.

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  Solar Drying

  Drying using sunshine - a brief description of the basic principles behind it and how to determine the rate of drying.

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  Ginger Processing

  Ginger is valued for the dried ginger spice and preserved, crystallised ginger.

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  Fruit Preserves - Jams, Jellies and Marmalades

  An introduction to small-scale jams, jellies and marmalades making, Known collectively as preserves.

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  Guideline for Building Power Thresher

  Step by step pictorial description of how to build a power thresher cost effectively.

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  Making Stabilised Soil Blocks

  Deals with the two main problems that can arise with earth buildings: stabilisation and compaction.

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  Pepper Processing

  Pepper processing looks at the main post harvest activities. These activities include sorting, threshing and drying.

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  A Simple Retort

  How to make and use a simple retort for separating gold-mercury amalgam.

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  Agro-pesticide use in Sri Lanka

  This study examines the present situation of pesticide use and the changes and trends over the past ten years with the objective of highlighting the issues that need to be addressed by policies.

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  Chimney Stoves and Smoke Hoods

  Nearly half the world cooks on three-stone fires or basic stoves causing indoor air pollution. This brief looks at ways to reduce the pollution by using chimney stoves and smoke hoods to let the smokey air escape outdoors.