单词：forest insect pest
单词：forest insect pest 相关文章
Broadcast: Jan 29, 2003 The use of insects as agents of warfare is not a new idea. In the 2) Biblical story of the 3) Exodus, one of the 4) plagues visited upon the Egyptians was a horde of 5) locusts
VOA2003（上）-科技先知
The earths tropics teem with species. Theyre far more biologically diverse than the cooler parts of the planet. And scientists have credited higher temperatures and greater amounts of sunlight. But a new study claims that the secret to tropical biodi
Scientific American(七)月
AGRICULTURE REPORT – October 29, 2002: Pest Management By Gary Garriott This is the VOA Special English Agriculture Report. Since nineteen-forty-five, farmers have used pesticides, poisons made from
农业与发展
AGRICULTURE REPORT - Integrated Pest Management By Mario Ritter Broadcast: Tuesday, February 22, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. The use of pesticides was an impor
农业与发展
CHANGSHA, Aug. 28 (Xinhua) -- Pests are posing an increasing challenge for the country's major rice-producing areas amid an important harvest year, according to agricultural officials. The Ministry of Agriculture (MOA) held a meeting on pest control
英语新闻
BEIJING, Aug. 21 (Xinhua) -- China's Ministry of Commerce said Tuesday that it has allocated an additional 200 million yuan (31.75 million U.S. dollars) in subsidies to assist in pest control efforts. The funds, together with 400 million yuan issued
英语新闻