单词:soil subecosystem
单词:soil subecosystem 相关文章
AGRICULTURE REPORT - February 5, 2002: Soil Conservation Methods By Gary Garriott 04 Feb 2002, 18:39 UTC This is the VOA Special English Agriculture Report. Soil conservation efforts protect soil from
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.
This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Builders in developing countries are often not required to build strong buildings. So, when a disaster strikes, the damage is often widespread. 发展中
Prince Harry has arrived back in London after his Afganistan adventure This wasn't the day he expected or wanted to come back, but back he had to come and quickly. Along with 170 other soldiers flown back from Afghanistan. Prince Harry's return beca
This is Scientific Americans 60-second Science. Im Karen Hopkin, This will just take a minute. Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand, or the back of your knee, or behind your ears? Pr
Even the dirt on the ground is likely making climate change worse, a new study finds. Researchers have shown that warmer temperatures are heating the soil, which is causing microbes to become more active and release more of the soils carbon into the
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
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
By Phuong Tran Dakar 27 December 2006 Only days away from the end of the United Nations' Year of Deserts and Desertification, four experts discuss the challenges of translating a decade's worth of research about the degradation of land in arid areas
Study: Nature Creates Buffer Against Climate Change The study focused on semi-arid ecosystems which cover 40 percent of the planet and support 40 percent of the human population. Co-author David Eldridge, with the School of Biological, Earth and Envi
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.
Kenya's ocean waters are home to five out of the world's eight species of turtles. All are classified as either endangered or critically endangered, and are threatened by poaching, fishing nets, development and pollution. The conservation groups Wata
This is the Cimarron National Grassland in western Kansas. You can see that it's not very farmable but is worth preserving. In 1935, during the heart of the Great Depression, whole sections of the American Midwest suffered through a terrible drought
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'
托福考试话题词汇汇总 whitepollute白色污染 sustainabledevelopment可持续发展 ecosystem生态系统 environmentalpollution环境污染 over-fishing(overgrazing)过度捕捞(过度放牧) sandstorm沙尘暴 resourceexhaustion资源枯竭
Even today,black-necked cranes are treated with reverence and are welcomed by farmers as they land in the fields around the villages.Here, they perform their elaborate sky pointing rituals.After the dignified business of parading,they begin to forage
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
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
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
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