Factors that affect perfomance of legume technologies


The study aims at bringing out the environmental factors that contribute to the heterogeneity in performance of maize-legume technologies and the extent of their effect across different environments in Malawi. A two year study that starts with legume on-farm diversified legume trials in the first year followed by maize response trials in the second year.


The One v3.0 (Phi2, NPQt, using Multi-Phase Flash)

The One Protocol to rule them all! Phi2, NPQt combined.

Changes from previous The One protocol: - Removed the Phi1 measurement, which was producing a lot of invalid data (removed by Dan and Frank) - Implemented the multi-phase flash protocol created by Tom Avenson

Chlorophyll content (SPAD) III

REQUIREMENTS: Firmware v0.41 or higher. Measures transmission at 940nm and 650nm in order to determine the 'greenness' of a leaf, an indicator of chlorophyll content and nitrogen content. The 940 is used to account for leaf thickness. Improvements over Chlorophyll content (SPAD): - performs 3 different spads at 3 intensities for thin and thick ...


  1. District (Multiple Choice)
  2. EPA (Multiple Choice)
  3. Treatment (Multiple Choice)
  4. Farmers (Short Answer)
  5. Weeks after Planting (Short Answer)
  6. Leaf position (Multiple Choice)



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