He practiced crop rotation and soil conservation a century before these became standard practice, and he invented a plow superior to any other in existence.

他练习作物轮作、水土保持一个世纪之前，这些被成为标准的做法，他发明了一种犁优于其他任何存在。

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He practiced crop rotation and soil conservation a century before these became standard practice and he invented a plow superior to any other in existence.

在人们普遍利用农作物轮作和土壤保持的作法前一个世纪，他就这样做了。

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He practiced crop rotation and soil conservation a century before these became standard practice, and he invented a plow superior to any other in existence.

他实践了轮作和土壤保护每世纪在这些成为了标准操作之前，并且他发明了一个犁优胜者对些其他存在。

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