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農作物はどうなのか【Effects on agricultural crops】

posted Aug 14, 2016, 4:35 PM by Yoshitaka Uchida Hokudai

   We have investigated agricultural crops too, in Zambia. There are some big supermarkets but small shops can also be observed along many streets, selling vegetables. We have investigated the vegetables for lead. First we simply bought these products from them. Actually we only needed one leaf or one piece of fruit really but we all ended up buying heaps of vegetables. We took them back to our lab, squeezed these vegetables and measured their soluble lead. 
   In results, we did not find many contaminated food products. Based on interviews to people selling them, they got them from other cities. Well, we still observed many vegetable gardens (very small scale) so we need to approach these types of farms too.