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看旱灾都做了些什么1.全世界有超过10亿的人口无法获得清洁的食用水,每年有310万人因缺水、饮水不洁而丧生。2.全球干旱最严重的地区有印度、北非、中非、巴以地区、拉丁美洲中部、中东地区,以及中国。3.缺水是粮食减产的最大症结,比水土流失、耕地减少等问题更严重。4.当前的灌溉技术主要分为漫灌、喷灌、滴灌、渗灌四种,在工程量、利用
What to do in the event of a drought 1. More than 1 billion people worldwide have no access to clean water and 3.1 million people die each year from lack of water and dirty drinking water. 2. The worst global drought areas are India, North Africa, Central Africa, Palestine and Israel, Central and Latin America, the Middle East, and China. 3. Lack of water is the biggest crux of food production, more serious than the problems of soil erosion and arable land reduction. 4. The current irrigation technology is mainly divided into flooding, sprinkler irrigation, drip irrigation, seepage irrigation four, the amount of engineering, utilization