单词：three nutrients compound fertilizer
单词：three nutrients compound fertilizer 相关文章
This is the VOA Special English Agriculture Report. Fertilizer use differs from country to country, and from too little to too much. Nitrogen and phosphorus can produce big crops. But they can also pollute water and air. A recent policy discussion i
VOA慢速英语2009年（七）月
Agriculture Report - UN Says Food Production Must Rise; How 'Fertilizer Trees' Could Help 农业报道 - 联合国称到2050年粮食产量必须增加7成 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道
2011年VOA慢速英语(十一)月
Agriculture Report - Growing Chili Peppers: A Heated Subject This is the VOA Special English Agriculture Report. Some people say eating hot chili peppers can help you breathe easier if you have a cold. Others believe that chilies give you more energy
2011年VOA慢速英语(四)月
It's bad enough that mosquitoes suck our blood, and sometimes pass on disease. But there's more. They can actually give you a disease and pee on you at the same time. Adding insult to injury if you will. Jerod Denton, a pharmacologist at Vanderbilt U
2016年Scientific American(十二)月
This is Scientific American's 60-second Science. I'm Steve Mirsky. Heres a clip from last weeks CalTech commencement address by Secretary of Energy and physics Nobel Laureate Steven Chu. Most scientists are optimistic by nature. Part of my optimism c
Scientific American(六)月
AGRICULTURE REPORT - Scientists Find Compound in Smoke that Helps Seeds Grow By Mario Ritter Broadcast: Tuesday, July 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. A di
农业与发展
Agriculture report - Project in DRC Aims to Increase Fertilizer Use This is the VOA Special English Agriculture report. North Kivu is a war-torn province that used to be called the breadbasket of the Congo. Now, some farmers are being trained to incr
2012年VOA慢速英语(八)月
By Gilbert Da Costa Abuja 11 June 2006 An elderly woman carries part of the food ration she received from the World Food Program in the drought-stricken southern Somali town of Wajid (file) African leaders, farmers and international agriculture expe
2006年VOA标准英语（六月）
Farming by GPS Saves Money, Environment Mixing tradition with technology On a weedy patch of land an hour and half from Washington, D.C., farmer Brad Eustace is tilling razor-straight lines with a GPS-guided tractor. With the computer in control, he
VOA标准英语2012年(五月)
Researchers get same yields with fewer fertilizers, pesticides Steve Baragona | Washington, DC 18 May 2010 Fossil energy use was compared among different crop rotation systems in a field experiment conducted between 2003 and 2008 in Boone Co., Iowa R
VOA标准英语2010年(五)月
The United Nation's World Food Program says rogue members of Somalia's extremist al-Shabab group attempted to raid its compound late Sunday in the Somali town of Wajid, about 300 kilometers northwest of Mogadishu. World Food Program spokesman, Peter
VOA标准英语2009年(八月)
What do these five words have in common: hotdog, fireworks, well-being, waistline, sunset and ice cream? They could all describe a fun holiday celebration. For example: My holiday was wonderful! I went to a friends party and we laughed, ate and had a
2018年VOA慢速英语(十二)月
On this hot summer afternoon outside Brattleboro Vermont, farmer Dean Hamilton has fired up his tractor and is fertilizing his hay filled with urine. It takes a bit of time to get used to the idea, says environmental engineer Nancy Love. Ive been sur
VOA标准英语2018年(十二月)
By Elizabeth Carlassare. Todays topic is compound interest. Albert Einstein is often quoted as having said something to the effect that compound interest is the greatest wonder of the universe. Its an urban legend, but it packs some punch! In todays
货币英语
AGRICULTURE REPORT — November 26, 2002: Corn, Part 1 By Mario Ritter This is the VOA Special English Agriculture Report. Corn is an important crop in many parts of the world. However, some people ar
农业与发展
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
农业与发展
AGRICULTURE REPORT - Food for Crops: How to Get the Most From Organic Fertilizer By Mario Ritter Broadcast: Tuesday, August 23, 2005 I'm Shep O'Neal with the VOA Special English Agriculture Report. Th
农业与发展
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
英语新闻
GUANGZHOU, Dec. 27 (Xinhua) -- Fertilizer contaminated with used batteries and other toxic waste has resulted in another food safety scandal in China, the latest in a long string of such incidents. Jiang Xicheng, chairman of the environmental protect
英语新闻
ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin
英语新闻