Practical Action Publishing

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  Lime Juice - Small-scale Production

  Making fresh limes into lime juice can alleviate the problem of getting them to the fruit market in a state where they still fetch a good price.

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  Methods for Testing Lime in the Field

  The acknowledged standard test for available lime is the ASTM Rapid Sugar Test, which uses relatively simple, portable laboratory glassware and common reagents.

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  Paprika Production Technical Guidelines

  These technical guidelines are meant for potential paprika producers and/or supporting agencies. They provide information on some of the requirements necessary for the establishment of paprika farming projects. Technical guidelines presented in this publication include: Requirements and key implemen...

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  Quality Control in Food Processing

  An essential component of any food processing business, quality control protects customers and business whilst ensuring food law compliance.

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  Rainwater Harvesting

  This technology is used in places where conventional water supply systems are not provided, are too expensive, or fail to meet people's needs.

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  Rainwater Harvesting During Reconstruction

  Overview of rainwater harvesting technologies and how they can be considered in the reconstruction process.

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  Real-time Monitoring, Control and Payment Technologies for Mini-grids

  This brief discusses the factors of mini-grid economic viability revenue, tariffs and costs - and introduces technologies and approaches for enhancing viability through real-time monitoring, control and payments. It introduces the benefits of integrated monitoring, control and payment systems and pr...

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  Roofing Options: Filler Slabs

  Filler slabs, consume less concrete and steel as compared to conventional slabs, due to the use of less-heavy, low-cost filler material such as rejected Calicut tiles, clay pots and broken pieces of cement blocks. This technical brief describe the technology of filler slab.

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  Serpentine Solar Water Heating Build Manual

  Manual for building serpentine solar water heating system with the basic of installation guides and a list of component materials.

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  Serpentine Solar Water Heating Design Manual

  The Serpentine is a solar thermal collector developed as part of a low cost water heating system by the AIDG for households in Xela, Guatemala.