Shade Tool Logo Shade tree advice tool
How does this tool work?

You grow crops that grow better under shaded trees? This tool is designed to help you select appropriate shade trees. We interviewed farmers in different regions, asking them for their opinions on shade trees. These opinions are analyzed and are the basis for this tool.

When you want to know which shade trees are best for your farm, please use this tool. You first select your country, region and crop of interest. After that, you are asked to select different attributes (ecosystem services) that you think are important for your shade tree to have. You can weigh the attributes, in order to prioritize some attributes over others. The calculated advice is then displayed as a graph, and the best trees for your criteria will be displayed on top. The graph uses colors to show you how each tree performs for each of the selected attributes.

We want to stimulate the use of shade trees, but we want to emphasize the importance of diversifying your plantation! A more diverse selection of shade trees is more versatile and sustainable for you and your farm.

Expanding the tool

This tool is limited to the regions where local knowledge has already been gathered. Also, in these regions it is limited to the trees that were ranked and the ecosystem services that were chosen. If you want to expand the tool, feel free to do so. However, be sure to use appropriate scientific methods, and ask IITA for assistance where needed (see below for more contact information). A simplified protocol:

  1. Select the target zone (country, region, etc.)
  2. Identify ecosystem services (attributes) that are relevant for your target zone
  3. Select shade tree species based on inventories on local farms
  4. Target the population of interest, taking into account gender and youth
  5. Interview farmers on tree knowledge and let them rank tree species for selected ecosystem services.

Scientific links

Original paper

    Scientists involved:

  1. Laurence Jassogne: LinkedIn, ResearchGate, IITA
  2. Philippe Vaast: LinkedIn, ResearchGate IITA
  3. Just van der Wolf: LinkedIn, ResearchGate IITA
  4. Gilles Gram: LinkedIn, ResearchGate, IITA

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