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Major Findings:  The additional maize produced from a given amount of fertilizer applied varied widely across households even after largely controlling for soil and rainfall conditions. The median estimated response rate was 15.9kgs of maize per kg nitrogen applied;  Under the range of conditions and smallholder management practices, average(More)
This poster describes our first-year experience in developing and evaluating a CS Principles professional development model for training a cohort of teachers across an entire state geography. The scalable deployment and sustainable persistence of the new CS Principles course adopts the successful practices of a national AP training program developed by the(More)
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