Blended Organic-Conventional Farming Could Feed World In rural Maryland, an hour-and-a-half drive from Washington, Bill Mason is tilling his fields to plant organic maize and soybeans. About two-thirds of his 340 hectares are organic, but not all of

发表于:2018-12-08 / 阅读(54) / 评论(0) 分类 VOA标准英语2012年(六月)

Sam: Now our count it down to Earth Day. We are showing you how to green in every aspect of your life, how to go green. And we are kicking off this series this morning with Deirdre Imus, the author of Growing Up Green!---Baby and Child Care. Now her

发表于:2018-12-11 / 阅读(35) / 评论(0) 分类 访谈录2008

There is nothing like the suggestion of a cancer risk to scare a parent, especially one of the over-educated, eco-conscious type. So you can imagine the reaction when a recent USA Today investigation of air quality around the nation's schools singled

发表于:2018-12-27 / 阅读(46) / 评论(0) 分类 英语听力小短文走遍全世界

Australian scientists say an organic compound used by Indian women to paint dots or bindi on their foreheads could hold the key to a breakthrough in cancer treatment. Rose Bengal was first used in the early 1900s as a dye for food, textiles and cosm

发表于:2019-01-11 / 阅读(51) / 评论(0) 分类 VOA标准英语2008年(八月)

AGRICULTURE REPORT - Study Points to Risk in Common Method of Enriching Soil By Jerilyn Watson / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC This is the VOA Special English Agriculture Report. For more than half a century, many farmers worldwide have a

发表于:2019-01-11 / 阅读(58) / 评论(0) 分类 VOA慢速英语2007年(十一)月

The Organic Foods Are organically grown foods the best food choices? The advantages claimed for such foods over conventionally grown and marketed food products are now being debated. Advocates of organic foods -- a term whose meaning varies greatly -

发表于:2019-02-25 / 阅读(38) / 评论(0) 分类 双语有声阅读