VOA慢速英语2013 Agriculture Report - Getting a Firm Grip on Weed Control

Agriculture Report - Getting a Firm Grip on Weed Control 农业报道 - 控制杂草生长的办法 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 When is a plant considered a weed? Experts at Pen

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ARI SHAPIRO, HOST: President Trump has said a lot over the years about illegal immigration. So last year when reports surfaced that his modeling agency had hired women without documents to do fashion work, it generated a lot of controversy. Now that

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Scientists develop herbicide-resistant seeds that can kill the parasitic plant. Transcript of radio broadcast: 23 June 2008 This is the VOA Special English Development Report. A sorghum field infested with striga, or witchweed Farmers in Africa call

VOA慢速英语2009-Agriculture Report - The Seeds of Weed Control

This is the VOA Special English Agriculture Report. When is a plant considered a weed? Experts at Penn State University have a simple answer: When its undesirable qualities outweigh its good qualities. Consider this: Crops generally produce several

VOA慢速英语2011--Ideas for Getting a Firm Grip on Weed Co

Agriculture Report - Ideas for Getting a Firm Grip on Weed Control 农业报道 - 控制杂草生长的办法 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Weeds compete with plantings for water

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Supercharged Plants May Mean More Crop Production 增压植物或能大量增产 One day, supercharged plants may help feed people around the world. Supercharged plants are ones that grow faster than normal plant life. Scientists can speed up the gro

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Boy, this is the worst weed Ive ever had, Wesley thought, even though it smelled great. Hed rolled two joints, smoked them both, and still didnt feel high. Hed heard about some super weed that gets people so high that they think theyre straight. Mayb

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SCOTT SIMON, HOST: This summer in Arkansas, a weed-killing chemical called dicamba drifted across the landscape and damaged millions of acres of crops. And the injury went deeper. It split rural communities. It destroyed friends and took a toll on th

VOA慢速英语 2008 0318a

Agriculture Report - The Seeds of Weed Control Advice for suppressing the growth of unwelcome plants. Transcript of radio broadcast: 17 March 2008 This is the VOA Special English Agriculture Report. When is a plant a weed? When its undesirable quali

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SCIENCE IN THE NEWS - Progress Against Witchweed, a Killer of Sorghum Crops in Africa Researchers may someday copy proteins found in alligator blood to produce infection-fighting drugs for people. Transcript of radio broadcast: 19 May 2008 VOICE ONE

VOA慢速英语2013 Getting a Firm Grip on Weed Control

Getting a Firm Grip on Weed Control This is the VOA Special English Agriculture Report. When is a plant considered a weed? Experts at Penn State University have a simple answer: When the undesirable qualities outweigh the good qualities. Consider the

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Agriculture Report - Inventor of Weed Eater Started a Revolution 农业报道 - 巴拉斯开启割草机革命 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 George Ballas of Houston, Texas, lived

VOA慢速英语2012 Agriculture Report - Getting a Firm Grip on Weed Control

Agriculture Report - Getting a Firm Grip on Weed Control 农业报道 - 严格控制杂草 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 When is a plant considered a weed? Experts at Penn State U

VOA慢速英语2014 AS IT IS 2014-04-06 Researchers Look for Non-Traditional Ways to Fight Weeds 研究人员寻找非传统的方式来消灭杂草

AS IT IS 2014-04-06 Researchers Look for Non-Traditional Ways to Fight Weeds 研究人员寻找非传统的方式来消灭杂草 Hello and welcome to As It Is. Im Jonathan Evans in Washington. On our program today, we have two reports on agriculture.

VOA标准英语2009年-New Initiative to Boost Crop Yield in South Asi

A new international initiative to increase grain crop yields could help raise incomes for six million farmers in South Asia and combat hunger in one of the poorest regions of the world. Indian farmer women winnow mustard crop at Baraikapurva village

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DAVID GREENE, HOST: Monsanto, the pioneer of genetically modified food, likes to say it is rooted in science, but some leading scientists are accusing the company of denying evidence about the risks of its newest weedkilling technology. NPR's Dan Cha

美国国家公共电台 NPR Damage From Wayward Weedkiller Keeps Growing

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VOA标准英语2010年-India Halts Growth of Genetically-Modi

Protesters surround Indian Environment Minister Jairam Ramesh (C) as he arrives at a public hearing on the genetically modified (GM) eggplant crop in Hyderabad, India on Jan. 31, 2010. Indian officials have announced they will ban commercial planting