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PA Manual - Part 2: Designing your own on-farm experiments: how PA can help (August 2006)

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The results of experiments conducted in our PA research program suggest that variations in the soil often explain much of the variation in crop performance... Using Figure 4a as an example, spatial interpolation is used to estimate the yield that would have been achieved from treatment 2 in the strips that actually contained treatment 1, and vice_versa... Interpolation: A term describing a number of mathematical procedures which are used to create continuous map surfaces from values measured at points...
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