One very effective herbicide is safe for corn, but soybeans are damaged even by the herbicide's residue, which remains in the soil more than a year after the herbicide is applied.

某种非常有效的除草剂对玉米来说是安全的，但即使是除草剂的残留物也会对大豆造成损害，该残留物在施用除草剂一年多后仍残留在土壤中。

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Production of corn, cotton, rice, soybeans, and wheat has been largely mechanized, but many high-value, labor-intensive crops, such as strawberries, need labor.

玉米、棉花、水稻、大豆和小麦的生产已在很大程度上实现了机械化，但许多高价值、劳动密集型的作物，如草莓，都需要劳动力。

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Production of corn, cotton, rice, soybeans, and wheat has been largely mechanized, but many high-value, labor-intensive crops, such as strawberries, need labor.

玉米、棉花、水稻、大豆和小麦的生产已在很大程度上实现了机械化，但许多高价值、劳动密集型的作物，如草莓，都需要劳动力。

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But these slow-wilting lines, he says, produce 4 to 8 bushels more than normal soybeans under drought conditions.

VOA: special.2009.01.20

But these slow-wilting lines, he says,produce four to eight bushels more than normal soybeans under drought conditions.

VOA: special.2009.03.23

But Professor Jackson explains that soybeans have kept copies of most their genes.

VOA: special.2010.02.02

This late rally has helped the overall performance of corn, but soybeans and wheat remain weak.

FORBES: 2012 Outlook: Economic Slowdown Could Pinch Demand For Some Commodities

But Brazil has many competitive products, from soybeans to shoes, whose exports should boom.

ECONOMIST: A battle against protectionist instincts

But farmers devoted more cropland to corn and soybeans as prices of those commodities rose, and when the U.S. economy rebounded in 2009, cotton supplies started to pull tight.

FORBES: Cotton's Pinch on Clothing Stores Continues