南朝鲜面积98,966km~2,种植水稻面积13,109km~2(相当于一百二十万公顷),人口约四千一百万。每年因病虫害造成的水稻产量损失在1975年前占水稻年产量的7—13%,从1981年以来降低到3—4%。自七十年代末起,粳稻面积比例逐年上升,到1986年已占水稻种植面积的77.9%。水稻品种类型向矮杆、窄茎、早熟方向发展。 South Korea covers an area of ​​98,966km 2, with rice planted at 13,109km 2 (equivalent to 1.2 million hectares) and a population of about 41 million. The annual loss of rice production due to pests and diseases accounts for 7-13% of the annual rice production by 1975 and has been reduced to 3-4% since 1981. Since the late seventies, the proportion of japonica rice has increased year by year, accounting for 77.9% of the total acreage of rice in 1986. Rice varieties to the dwarf bar, narrow stem, premature development.