Concepts and definitions

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(1) Global Yield Gap Atlas

Martin van Ittersum, WUR

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This talk highlights the current and future applications of the Global Yield Gap Atlas. You will learn about the platform and the types of data that it provides to inform food security and resource use efficiency assessments globally. Examples of different applications out of the data from the Global Yield Gap Atlas are provided.

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(2) Yield levels and yield gaps

Kindie Tesfaye, CIMMYT

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This talk highlights the different yield levels defined so far in the context of production ecology. Those yield levels are explained in detail in this talk. An overview of how to estimate the different yield levels using farm surveys, field experiments, and crop simulation models is provided.

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(3) Yield gap decomposition

João Vasco Silva, CIMMYT

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This talk highlights the methods and approaches most widely used so far for yield gap decomposition using farmer field data. An overview of how crop models and data-driven approaches (e.g., frontier analysis and machine learning) have been used for yield gap decomposition is provided and illustrated with examples from the literature.