Until recently, it appeared that global agricultural output was expanding nicely.green revolution had a far greater impact than Britain's eighteen-century agricultural revolution.... Instead of the roughly 3 percent annual increase in grain output of the 1950-84 years, overall production rose by only 1 percent annually between 1984 and 1989. http://morimine.sakura.ne.jp/c/rr/15_w/10Until_recently.htm
――早稲田大学 人間科学部(2月27日実施)――94年