单词：physiological acid fertilizer
单词：physiological acid fertilizer 相关文章
Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
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
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
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 Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot
VOA常速英语2007年（十一月）
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
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