It's an approach not dictated by the confines of conventional large scale agriculture lead by international corporations.

这种方法不受国际公司主导的常规大规模农业的限制。

The region originally covered by the Cerrado savanna in central and western Brazil was considered and fit for large scale agriculture until the 1970s when new research found ways of fixing nitrogen to the soil.

最初巴西中西部地区被塞拉多草原覆盖着，该区域一直被认为适合从事大规模农业，直到20世纪70年代，一项新的研究发现了将氮素固定在土壤中的方法。