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水稻是湖南的主要粮食作物,1972—1986年常年播种面积在6500万亩以上,占粮食作物的80％以上,稻谷总产占粮食总产的90％以上。目前,我省水稻播种面积和稻谷总产均居全国首位。推广良种、及时进行品种(组合)的更新换代是增加水稻产量的有效措施。例如,1986年全省水稻单产比1972年增加了162.5公斤,平均每年递增11.6公斤;特
Rice is the main grain crop in Hunan. From 1972 to 1986, the perennial planting area was more than 65 million mu, accounting for more than 80% of the total. The total output of rice accounted for more than 90% of the total grain output. At present, the sown area of paddy rice and the total output of paddy in our province rank first in the country. The promotion of improved varieties, the timely replacement of varieties (combinations) is an effective measure to increase rice production. For example, in 1986 the province’s rice production increased by 162.5 kilograms compared with 1972, with an average annual increase of 11.6 kilograms; especially