人们对六十年代的“绿色革命”仍记忆犹新,然而增加粮食生产的第二个方面又出现了可喜的前景。最近,在美国科学院的秋季会议上对第二次作物革命的若干问题进行了讨论,其中不仅包括可提高普通作物的产量,也包括更有效地发展作物新品种。美国某农业实验站的泽理西博士认为, People still remember the “green revolution” of the 1960s, but the second aspect of increasing food production appeared promising again. Recently, at the autumn meeting of the American Academy of Sciences, a number of issues concerning the second crop revolution were discussed. These included not only improving yields of ordinary crops but also more effective development of new crop varieties. Dr. Ze Li West, an agricultural experiment station in the United States,