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412是适于长江流域稻麦两熟地区的粳稻品种,全生育期共150余天,属于晚粳稻中的早熟类型。 太湖流域地区在1000多年前宋朝的时候已经有稻麦两熟的耕作制度了。水稻主要的品种有飞来凤、木稚球、罗汉黄、晚白稻、小白稻、小黄稻、大黄稻、一粒芒、荒三石等,都是在立夏至小满间(五月中旬)播种,待芒种时收割小麦后,于芒种至夏至(六月中旬)插秧,至处暑至白露间(九月上旬)抽穗,在霜降前后(十月中旬)成熟。江南地方有“白露白迷迷(抽穗),秋分稻秀齐(齐
412 is a japonica rice variety suitable for rice-wheat double-maturity region in the Yangtze River valley. It has over 150 days of full growth period and belongs to the early-maturing type of late japonica rice. In the area around the Taihu Lake basin, there was already a rice-wheat-two-cropping system when the Song Dynasty was over 1000 years ago. The main varieties of rice are Feilaifeng, Miaoqiaoliu, Luohan yellow, late white rice, small white rice, small yellow rice, rhubarb rice, a Mangmang, three stone waste, are all in the summer until Xiaomin Man (mid-May ) To be planted. When the wheat is harvested and wheat is planted, the rice is transplanted during the summer (mid-June) to the summer solstice (mid-June), and the ears are roasted until the white-frog (early September) and mature before and after the frost (mid-October). Jiangnan place "white grudges fans (heading), autumn rice show Qi (Qi