Almost a century ago, boll weevils destroyed two-thirds of the cotton crop in this region.

VOA: standard.2010.08.10

Not entirely accurate about that either, from what we now know about the profitability of slavery and the profitability of the cotton crop.

这点其实也不完全正确,因为我们已经讲到过,奴隶制和棉花作物能产生巨大的经济利益

耶鲁公开课 - 美国内战与重建课程节选

The cotton crop nearly doubled every decade from 1820 to 1860.

从1820年到1860年,棉花的产量每十年就翻一倍

耶鲁公开课 - 美国内战与重建课程节选

Professor Moseley said Malian farmers had planted more sorghum because the price of their cotton, a cash crop,had dropped.

VOA: special.2010.03.30

The South had its greatest cotton crop ever in 1860.

860年棉花产量是南方有史以来最高的

耶鲁公开课 - 美国内战与重建课程节选

Cotton was a crop that grew well in the rich, dark soil near the river.

VOA: special.2010.03.28

Until then, cotton had been the region's largest crop.

VOA: standard.2010.08.10

(Sound) As a large machine mashes the cotton into a solid brick a bit smaller than a train car, Pitt says her crop is destined for one of the world's most popular fashion items.

VOA: standard.2009.12.12