单词：insect pests and plant disease
单词：insect pests and plant disease 相关文章
Plants vs. Insects 植物和昆虫 New research is shedding light on one of the longest running battles of all time -- the war between plants and insects. Plants may seem helpless, but they have complex chemical defenses. Plants vs. insects -- today on E
(科普英语)Earth and Sky
AGRICULTURE REPORT – February 12, 2002: Sharpshooters By George Grow This is the VOA Special English AGRICULTURE REPORT. Farmers in the American state of California are guarding against an insect ca
农业与发展
Researchers have identified a molecule that attracts an insect which carries citrus greening disease. 研究人员确认一种分子可吸引携带黄龙病病毒的昆虫。 This development is expected to help farmers control a disease that has des
2017年VOA慢速英语(十二)月
This is the VOA Special English Development Report. A Senegalese banana vendor in Dakar, Senegal Two separate diseases are destroying banana and plantain crops in Africa. They could threaten food security for millions of Africans who depend on banan
VOA慢速英语2009年（九）月
AS IT IS 2013-07-15 The Fight to Protect Cassava Plants Hello, and welcome once again to As It Is, our daily show for people learning everyday American English. Im Christopher Cruise in Washington. Today on the program, we tell about the moringa olei
2013年VOA慢速英语(七)月
Idiom: Make your toes curl ( be digusted ) Hit the book: Insect Pitcher plant Digestive juices Flytrap Nectar Clap
趣味青春英语
Plant Signals 植物的语言 Can plants smell and taste in the same way that animals do? Can they talk to each other and to insects? Learn how scientists hope to unravel some of the mysteries of plant senses -- on today's Earth and Sky. JB: This is Eart
(科普英语)Earth and Sky
DEVELOPMENT REPORT – September 30, 2002: Dog Collars and Leishmaniasis By Jill Moss This is the VOA Special English Development Report. Up to five-hundred-million people are infected each year with
农业与发展
AGRICULTURE REPORT – June 4, 2002: Tsetse Fly Threat to Agriculture By George Grow (Picture -FAO) This is the VOA Special English AGRICULTURE REPORT. The tsetse (TSEET-see) fly is a serious problem
农业与发展
AGRICULTURE REPORT – October 29, 2002: Pest Management By Gary Garriott This is the VOA Special English Agriculture Report. Since nineteen-forty-five, farmers have used pesticides, poisons made from
农业与发展
This is the VOA Special English Agriculture Report. About eight hundred million people in Africa, Asia and South America eat cassava. The plant is a major source of food energy and a major food security crop. It can survive in poor soil and without m
2010年VOA慢速英语(六)月
This is the VOA Special English Agriculture Report. Farmers know that if you reduce harmful insects and diseases in your crops, you have a chance for a better harvest. Today, many farmers and experts praise Integrated Pest Management, or IPM. IPM is
2010年VOA慢速英语(十一)月
Global Trade Carries Risk of Pests More than one trillion dollars worth of agricultural products is traded every year. But as countries buy and sell fruits, vegetables, timber and other products, they also may be putting domestic plants at risk. That
VOA标准英语2013年(四月)
怎么才能让小树健康成长呢？ THERE is a lot more to planting a tree than just putting it into the ground. Even before planting the tree you need to decide which kind of tree to plant. And,
奥运英语
作为一株小小的或是大大的植物(矛盾吗?),被生长在厚厚的泥土之下的根所束缚着,只能眼睁睁地看着虫子、鸟儿啃食自己的叶子,啄食自己的果实?植物也有保护自己的方法哦,一起来看看吧 Plan
英语听力文摘 English Digest
HEALTH REPORT - Increasing Supplies of Malaria Drug Through Genetic EngineeringBy Cynthia Kirk Broadcast: Wednesday, April 19, 2006 I'm Shep O'Neal with the VOA Special English Health Report. Malaria
2006年慢速英语（四）月
59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59
科技之光
Voice 1 Welcome to Spotlight. Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 At Kansas State University, the Ame
环球英语 Spotlight
Voice 1 Hello and welcome to Spotlight. I'm Joshua Leo. Voice 2 And I'm Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand no matter where in the world they live. Voice 1 Imagine a tree. Now, make
环球英语 Spotlight
听力文本 Recording 32 录音32 In my talk today, I'm going to be looking at plants that have had an impact on our world and our history. 今天我将讲讲对我们整个世界和历史产生影响的植物。 Let's start with the potato. 先从土
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