Farmers often hired immigrant workers from Asia and Mexico to plant, harvest and pack these foods.

VOA: special.2010.01.11

And much easier to purify and know what you have at the end, than if you're trying to harvest it from a whole complex organism.

最终产品的纯化和鉴定也比,从复杂的生物体上提取和鉴定容易

耶鲁公开课 - 生物医学工程探索课程节选

In his new six-week program, Colin Archipley will teach agricultural skills from planting to harvest.

VOA: special.2010.12.28

They traveled from place to place to harvest grapes,lettuce, beets and many other crops.

VOA: special.2009.09.06

Second Harvest has also received more requests from around the country to dispatch food to shelters and other charities.

VOA: standard.2009.09.09

As Ryan winches up the lobster traps from the channel floor, Paul Cabral pulls out any lobsters large enough to harvest, and throws back the rest along with anything else that got caught in the trap - mostly crabs and starfish.

VOA: standard.2010.07.20