公安县常年水稻栽培面积在66万亩左右,约占耕地面积的60％。其中一季中稻约52万亩,双季稻约12万亩,一季迟水约2万亩。上述三种水稻的平均单产,一般在500斤左右。 自1966年提倡水稻改制和推广良种以来,平均单产有所提高,但幅度不大。原因之一是水稻良种的选用标准没有完全为群众 Public security perennial rice cultivation area of ​​66 acres, accounting for about 60% of the cultivated area. One quarter of about 52 million mu of rice, double crop of about 12 million mu, a quarter of late about 20000 acres of water. The average yield of the three kinds of rice, usually about 500 pounds. Since 1966, rice reform and popularization have been promoted, average yields have risen, but not to much extent. One reason is that the selection criteria for rice seed is not entirely for the masses