听力课堂

内容介绍：This is the VOA Special English Agriculture Report.A farmer in his maize field near Arusha, TanzaniaThe maize streak virus causes one of the most destructive crop diseases in Africa. Not only is it economically damaging, it can also threaten food sec... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.University of Delaware scientists say trees can reduce emissions of dust, ammonia and odor from poultry farmsPlanting trees around poultry farms can improve air and water quality -- and please the no... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.We have a question from a health worker -- and longtime listener -- in Nigeria. James Uwaifoh says there are many food crops that were grown in the past but not any longer. He wants to know if it wou... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.A locavore is someone who eats foods produced locally. Locavores usually define local as within one hundred sixty kilometers. This new term grew out of a reaction to the long distances that food now ... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.Two different people -- one in Russia, the other in California -- recently asked us about raising sheep. So today we offer advice from some experts.(SOUND OF SHEEP)A group of four-day old lambs at a ... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.Hogs at an Ohio farmResearch shows that waste from pigs that are fed a special kind of corn may help a farmer's crops. And it also may help the environment. Any farmer who raises swine knows that pig... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.Angora goatsGoats are valuable not just for their milk and meat. Or for their ability to help renew grasslands and control weeds. Or even for their ability to be friendly and gentle around children.G... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.A windbreakFarmers use different kinds of soil conservation methods to protect their land from damage by farming and the forces of nature. One important form of soil conservation is the use of windbr... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.U.S. Sugar is based in Clewiston, Florida. The company plans to sell its land to the state for Everglades restoration.The United States Sugar Corporation and the State of Florida are negotiating fina... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.Mulch is spread in a city park in Atlanta, GeorgiaMulch 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, lik... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.Some farmers of irrigated rice in Asia, Africa and the Americas are using a production method called S.R.I.S.R.I. is short for the System of Rice Intensification. It does not require new seeds. It on... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.Scientists sayflies can spread bacteria in hen housesThe common housefly is unwelcome around food because flies can carry disease-causing germs. Now, scientists have shown that the insects can also s... >>详细内容

内容介绍：This the VOA Special English Agriculture Report.Parsley is an ancient green and a respected addition to many foods. But other times, its job is just to make a mealtime plate look pretty. Poor parsley, valued for its looks, then thrown away.Yet parsle... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.When is a plant a weed? When its undesirable qualities outweigh its good points, say experts at Penn State University.A farmer in Washington state burns weeds to prepare for the new growing seasonWee... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.Containers of recalled beef being thrown away in Los AngelesOn February seventeenth, the Westland/Hallmark Meat Company of Chino, California, recalled almost sixty-five million kilograms of beef. The... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.For years, most of the household waste collected in America's largest city went to a landfill on Staten Island. Staten Island is one of the five boroughs that form the city of New York. The others ar... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.Wheat supplies around the world are at their lowest level in thirty years. Wheat supplies in the United States are at their lowest in sixty years.But the United Nations Food and Agriculture Organizat... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.Back in the year two thousand, big producers of poplar trees in the American Pacific Northwest needed help. Their hybrid poplars, nearly ten years old, were under threat. Young insects were getting i... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report. Farmers in the United States sometimes plant switchgrass as a border crop. But could this tall grass lower the nation's dependence on foreign oil?South Dakota State University professor Arvid Boe wi... >>详细内容

内容介绍：This is the VOA Special English Agriculture Report.A woman in Zambia with a bag of corn from the international aid group CAREThe United States provides more than half the world's food assistance. American programs totaled close to two billion dollars... >>详细内容