无效养分

英语听力教程第二版第三册-1

Listen this way听力教程第三册-1

发表于:2018-12-03 / 阅读(129) / 评论(0)

Listen this way听力教程

VOA慢速英语20060124a

AGRICULTURE REPORT - Don't Know Much About Mulch?By George Grow Broadcast: Tuesday, January 24, 2006 I'm Faith Lapidus with the VOA Special English Agriculture Report. Mulch is important to farmers. M

发表于:2018-12-07 / 阅读(112) / 评论(0)

2006年慢速英语（一）月

AGRICULTURE REPORT - Composting

AGRICULTURE REPORT -January 8, 2002: Composting By Gary Garriott This is the VOA Special English AGRICULTURE REPORT. Many farmers around the world are composting to improve their soil so they can prod

发表于:2018-12-07 / 阅读(89) / 评论(0)

农业与发展

SSS 2008-07-30

Podcast is sponsored from the people of American Chemistry, who provide the plastics, medicines, and innovations that make life modern. Learn more at americanchemistry. com. This is Scientific American's 60-Second Science, Im Karen Hopkin. This will

发表于:2018-12-24 / 阅读(119) / 评论(0)

Scientific American(七)月

VOA慢速英语20060221a

AGRICULTURE REPORT - Legumes: Good for People and SoilBy Bob Bowen Broadcast: Tuesday, February 21, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Many different kinds of plants

发表于:2019-01-02 / 阅读(106) / 评论(0)

2006年慢速英语（二）月

VOA慢速英语 2008 0506a

Agriculture Report - Using Charcoal to Make Soil Into Black Gold Scientists show a way to improve soil quality with ''biochar.'' Transcript of radio broadcast: 05 May 2008 This is the VOA Special English Agriculture Report. The dense Amazon rainfore

发表于:2019-01-11 / 阅读(102) / 评论(0)

VOA慢速英语2008年（五）月

VOA慢速英语-Agriculture Report - Much About Mulch

Why mulching is one of the best things to do for plants. Transcript of radio broadcast: 14 July 2008 This is the VOA Special English Agriculture Report. Mulch is spread in a city park in Atlanta, Georgia Mulch is important to farmers. Mulch is a pro

发表于:2019-01-11 / 阅读(129) / 评论(0)

VOA慢速英语2008年（七）月

VOA慢速英语 2007 0403a

This is the VOA Special English Agriculture Report. Spreading mulch Mulch is important to farmers. Mulch is a protective cover of material that is spread on top of soil. It is usually made out of organic material, like crop waste. Farmers may keep t

发表于:2019-01-11 / 阅读(130) / 评论(0)

VOA慢速英语2007年（四）月

VOA慢速英语 2007 1204a

This is the VOA Special English Agriculture Report. A Yale student carries beets grown on an organic farm near the university in New Haven, Connecticut Beets are a tasty root vegetable that do not require much work to grow. People might think beets

发表于:2019-01-11 / 阅读(203) / 评论(0)

VOA慢速英语2007年（十二）月

VOA慢速英语2012 Agriculture Report - Feed the Soil, Feed the Crops

Agriculture Report - Feed the Soil, Feed the Crops This is the VOA Special English Agriculture Report. Studies show farmland in Africa is often lacking in important nutrients. But researchers say a combination of farming methods may help. Since the w

发表于:2019-01-12 / 阅读(178) / 评论(0)

2012年VOA慢速英语(九)月

VOA标准英语--Feed the Soil, Feed the Crops

Feed the Soil, Feed the Crops If African farmers are going to feed the continent, they may first want to feed the soil. Studies show farmland is often depleted of vital nutrients. But researchers say a combination of organic farming methods may help.

发表于:2019-01-13 / 阅读(167) / 评论(0)

VOA标准英语2012年(九月)

VOA标准英语2013--Pioneering Soil Researcher Wins Top Environment Prize

Pioneering Soil Researcher Wins Top Environment Prize Biologist Diana Wall went to the ends of the earth - the seemingly lifeless Antarctic desert - to study the life in soil. What soil life does for us, it provides us with many benefits that we don'

发表于:2019-01-14 / 阅读(118) / 评论(0)

VOA标准英语2013年(四月)

有关树林与二氧化碳之间关系的新学说

37 有关树林与二氧化碳之间关系的新学说 DATE=6-15-01 TITLE=ENVIRONMENT REPORT - Trees and Carbon Dioxide BYLINE=Jill Moss （Start at 59

发表于:2019-01-16 / 阅读(94) / 评论(0)

自然探索

TED演讲:变得更健康的不能说的秘密(5)

Number one: we can fertilize our food. 第一：这能为我们的食物施肥。 Each one of us is pooping and peeing something that could fertilize half or maybe all of our food, depending on our diet. 我们每个人都产生能够肥沃我们一半

发表于:2019-01-18 / 阅读(116) / 评论(0)

TED演讲科学篇

AGRICULTURE REPORT - Mulch

AGRICULTURE REPORT - September 3, 2002: Mulch By George Grow This is Bill White with the VOA Special English AGRICULTURE REPORT. Mulching is one of the best things people can do for their plants. Mulc

发表于:2019-01-30 / 阅读(156) / 评论(0)

农业与发展

AGRICULTURE REPORT - Cover Crops Are Good for the Soil (and

AGRICULTURE REPORT - Cover Crops Are Good for the Soil (and the Farmer) By Mario Ritter Broadcast: Tuesday, May 24, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Cover crops are

发表于:2019-01-30 / 阅读(146) / 评论(0)

农业与发展

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im

发表于:2019-01-30 / 阅读(207) / 评论(0)

农业与发展

播下种子期盼收获

The story is told of two boys who were walking through a field and found some corn seeds scattered across the ground.They each took one of the seeds home and planted it. 这是一个关于两个男孩的故事。他俩穿过田地时，发现地上有一

发表于:2019-02-03 / 阅读(137) / 评论(0)

阅读空间

US Farmers Work to Curb Lake Erie Pollution

Ohio Lake Erie, the smallest of North Americas five Great Lakes, supplies fresh drinking water to an estimated 11 million people in Ohio, Michigan and southern Ontario province, Canada. Yet sometimes pollution, both from industrial waste and farm-che

发表于:2019-02-04 / 阅读(125) / 评论(0)

英语新闻

万万没想到：人人都吃土，每年3.6万毫克

We all know we shouldn't eat dirt, but we do it anyway. Mostly not on purpose dirt gets into our bodies all day, every day, whether we want it to or not. It's understandably difficult to figure out exactly how much is getting in, but that might be be

发表于:2019-02-06 / 阅读(109) / 评论(0)

阅读空间

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词