安全有效的作物保护是发展中国家增加食物生产的需要如果发展中国家人口大量增加，那么就有必要大量增加农业产量以满足人口增长的需要。怎样才能达到这个目的，就是去年在美国布莱顿预先进行的专题讨论会上的主题。─—戴维特·迈克多拉特“许多不发达国家仍然没有把植物... Safe and effective crop protection is a need for increased food production in developing countries If the population of developing countries increases significantly, it is necessary to increase agricultural output significantly to meet the needs of population growth. How to do this is the theme of a pre-seminar held in Brighton, United States, last year. ─ ─ David Witt McDougall "Many underdeveloped countries still do not have plants ...