Practical Action Publishing

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  How to Grow Your Own Onion Seed

  Here is some basic information on how to grow onions and produce onion seeds. The document focuses on Burkina Faso but this approach can be used in many other locations.

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  Hydraulic Lime: An Introduction

  Hydraulic lime was an important cementitious material before the arrival of Portland cement but it is little used now, except in conservation work.

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  The Kebkabiya Plough

  This plough has been used with great success in Kebkabiya, Sudan. Here is a highly visual guide to its use.

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  Lime Production

  There is a long history of production and use of lime in Sri Lanka. Its main use has been as a cementing agent and as a decorative whitewash in the building industry.

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  Lime Production: 2

  Lime has been used in the Malawian building industry for many generations, principally as the cementing agent in renders and to produce a decorative whitewash.

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  Low-Cost Civil works for Micro-Hydro Schemes

  Civil works can suffer from cracking and significant scour damage. This document looks at some of the approaches that were taken to combat these problems in hydro schemes in the Cajamarca region of Peru.

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  Manual Drilling Compendium

  Manual Drilling Compendium 2015 Technical Guidelines

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  Metering and Payment Technologies for Mini-grids

  This market assessment gives an overview of the state of the electricity sector in Zimbabwe, and describes the countrys renewable energy potential and the degree to which it has been exploited. Assessments of the decentralised generation and mini-grid sectors follow, alongside an exploration of the...

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  Micro-Concrete Roofing Tile Production

  Small-scale concrete roofing tiles are an affordable alternative to traditional roofing materials and galvanized iron sheeting.

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  Micro-Irrigation

  A guide for smallholder farmers on implementing drip irrigation project