0610不要不急の名無しさん垢版 | 大砲2020/05/24(日) 13:56:58.17ID:1752J1m50 Brazil cotton farmers sue Bayer over patent on GMO seed https://www.reuters.com/article/us-brazil-cotton/brazil-cotton-farmers-sue-bayer-over-patent-on-gmo-seed-idUSKCN1U61Y9 綿花だと1ha当たり2万5千円ほどの特許料なんだね これは安いのか?