The raw results of the pesticide survey are listed in Supplementary Data 2 , consisting of concentration or weight percentage of the pesticide (based on information on the brand package), actual use, i.e. the application frequency and amount for each crop. Of the surveyed crops, the number of different pesticides used was highest in rice (15 types), chili and tomato (13 types for each), and cabbage (11 types). From the pesticides, Mancozeb and Profenofos were most often mentioned by the respondents with a total of 67 and 63 times, respectively. The pesticide – crop type combinations are summarized in Figure 2 . The size of the squares indicates the number of fields that respondents report as a pesticide - crop type combination.