Brazilian farmers are now subject to stricter rules designed to ensure long-term sustainability and avoid destruction of the valuable Amazonian rainforests and Cerrado (savannah lands). In recent years, livestock farming, soy and grains production andlogging have been the main drivers of illegal clearing of the forests. Agricultural production has expanded rapidly over the past 20 years in Brazil, with grains output alone expected to reach a bumper 183 million tonnes in 2013, including 81.5mt of soybeans, 78mt of maize, and 5.14mt of wheat, according to state agency Conab. Both Brazilian Senators Jorge Viana and Luiz Henrique da Silveira played an instrumental role in framing and passing the path-breaking legislation last year, formally known as Law No. 12 651.
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机译：现在，巴西农民受制于更严格的规则，旨在确保长期可持续性并避免破坏宝贵的亚马逊雨林和Cerrado（热带草原土地）。近年来，畜牧业，大豆和谷物的生产和伐木已成为非法砍伐森林的主要动力。根据国家机构Conab的数据，过去20年来，巴西的农业生产迅速增长，仅谷物产量就有望达到1.83亿吨，其中包括81.5吨大豆，78吨玉米和5.14吨小麦。去年，巴西参议员豪尔赫·维亚纳（Jorge Viana）和路易斯·亨里克·达席尔维拉（Luiz Henrique da Silveira）在制定和通过具有开创性的立法（正式称为第12651号法律）方面发挥了作用。
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