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Cotton News
1 years, 1 month ago
from Cotton News
"Extension entomologists are surveyed yearly across the Cotton Belt for how well insecticides and Bt crops are working. These results are summarized in an Excel spreadsheet and broken out by region (including the Southeast)."
https://cotton.ces.ncsu.edu/2017/04/insecticide-efficacy-results-for-corn-cotton-and-soybeans/