单词:oligotrophic brown soil
单词:oligotrophic brown soil 相关文章
By Gary Garriott Broadcast: July 29, 2003 This is Bill White with the VOA Special English Agriculture Report. Soil conservation efforts protect soil from wind and water that can blow or wash it away.
AMERICAN MOSAIC - Mystery In Sky Over North Carolina; Holiday for the Dead; Chart Climbing Music Welcome to AMERICAN MOSAIC in VOA Special English. Im June Simms. On our show this week, we play some music that is climbing the popularity charts And te
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
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
By Tendai Maphosa London 29 June 2007 Hours after British police defused a bomb in an abandoned car in London's theater district, police say they have found bomb components in a second vehicle in central London. Authorities say both cars contained ca
I'm a Little Seed 我是一粒种子 I'm a little Seed, 我是一粒种子, Brown and fat, 棕色的、圆圆的种子。 I haven't got a front, 没有正,没有反。 And I haven't got a back. 没有前,没有后。 Plant me in the earth, 请把我
Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t
Soil 土地 Soil is necessary for people's life. 土地是人类生活的必需品。 Plants can grow from soil. 植物依靠土地生长。 Soil gives plants a lot of nutrition. 土地为植物提供大量的营养物质。 Plants can make flowers a
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
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
AMERICAN MOSAIC - Remembering Two Bright Stars of Music; 'To the Arctic' JUNE SIMMS: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) Im June Simms. This week on our program, we remember two music greats, Chuck Brown and Donna Summe But, fi
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
Todd: OK, Norm, we're going to talk about colors. Norm: Mm-hm. Todd: OK. What is blue? Norm: Well, the sky is blue. Todd: OK. And what is green? Norm: Green? My green canoe. Todd: Your green canoe. Norm: Yes! Todd: Really! OK. That's cool! What is re
JEFFREY BROWN: And we check in again with two people who've helped us keep up with the continuing crisis. Arjun Makhijani is an engineer special -- engineer specializing in nuclear fusion. He's the president of the Institute for Energy and Environmen
By Paul Sisco Washington 07 March 2007 watch Ethanol Alternative Fuel President Bush speaks to reporters about how cellulosic ethanol can be produced from biomass such as spruce wood chips President Bush leaves this week for a five nation Latin Amer
Since the April 20 explosion and fire that sank the BP Deepwater Horizon off-shore oil rig, about 800,000 liters of crude oil a day have been spewing from the broken well into the Gulf of Mexico. The massive spill is threatening marine life, commerci
By Paula Wolfson White House 10 May 2007 President Bush is losing his strongest ally on Iraq. VOA's Paula Wolfson reports Britain's prime minister, Tony Blair, is stepping down at a time of slipping approval in Britain for the Iraq war. Prime Ministe
Soil、earth、ground和land都可以表示地面,但这四个词的用法有很大的区别。一起来看看吧! soil意为:泥土、土壤,尤指生长植物的土地。或国家、国土。 The trees have rooted in the rich soil. 树木在肥
The auto fleet in the United States is shrinking. For the first time since World War II, more used cars were scrapped than new cars sold in 2009. The fleet decreased from an all-time high in 2008 of 250 million vehicles to 246 million last year. Driv
time will not stand still today is the day, the day of salvation living for more than just synthetic force fed existence this is my disposition I will strive for the truth time will not stand still today is the day, the day of salvation living for mo