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四川省油稻两季田常年种植面积在 4 6 6 90 0ｈｍ2左右 ,在水稻收获后至油菜栽植前尚有 50～ 6 0天空闲时间。为了充分利用四川省秋季的光热资源和油稻两季田的闲期土地 ,提高稻田的复种指数 ,达到持续多熟高产高效的目的。近年来 ,南充市农科所针对我省实行油 -稻 -豆三熟连作
The perennial planting area of Sichuan double cropping paddy is about 4 6 6 90 0hm2. There is still 50-60 days idle time before rice planting after canola harvesting. In order to make full use of the light and heat resources in autumn of Sichuan Province and the idle land of two season fields in paddy fields and improve the multiple cropping index of paddy fields, In recent years, Nanchong City, Agricultural Sciences for our province to implement oil - rice - beans three lines even for the crop