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国际农业研究磋商小组近日宣布，该小组下属的国际玉米和小麦改良中心已经开发出热带玉米新品种，可以使玉米增产4O％，其中的一个品种是专门为干旱地区开发的。据估计，到20万年全球将有27亿人生活在缺水地区。国际农业研究磋商小组指出，1993年发展中国家的玉米产量因干旱而
The Consultative Group on International Agricultural Research (CGIAR) announced recently that the International Maize and Wheat Improvement Center under the group has developed new varieties of tropical maize which can increase the yield of maize by 40%, one of which is developed specifically for arid areas. It is estimated that 2.7 billion people will be living in water-scarce regions worldwide by 200,000 years. The Consultative Group on International Agricultural Research pointed out that the maize production in developing countries in 1993 was due to drought