In 1990 Brazilian farmers used no-till farming for 2.6% of their grains; today it is over 50%.

1990年巴西农民2.6%粮食采用免耕农业方式；而今天这一数据超过了50%。

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Immediately above it is a photo of the farm where no-till is being practiced "all the way."

题目正上方就是一张农田的照片，农田完全未耕耘。

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Technology means a lot of things: drip irrigation, no-till farming, more efficient ways to use fertilisers and kill pests.

科技意味着许多事情：滴灌、免耕耕种，化肥及农药的更有效使用。

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Fabian Fernandez, a soil and plant nutrition expert at the University of Illinois, says no-till means less intensive labor.

VOA: special.2010.09.28

I'd like to go by climbing a birch tree, And climb black branches up a snow-white trunk toward heaven, till the tree could bear no more, But dipped its top and set me down again.

我真想去爬白桦树，沿着雪白的树干，爬上乌黑的树枝，爬向那天心，直到树身再支撑不住，树梢碰着地，把我放下来。

耶鲁公开课 - 现代诗歌课程节选

No-till keeps carbon in the soil and avoids the release of heat-trapping gases from motorized equipment.

VOA: special.2010.09.28

While it helps the environment by preventing erosion, no-till farming keeps fertilizer in the upper soil.

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And no-till farming equates to fewer emissions, less soil erosion and less chemical runoff.

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And herbicide tolerance has made possible a shift to more benign herbicides and to environment-friendly no-till farming.

FORBES: Magazine Article