在江苏长江沿岸及以南地区,大麦、油菜茬上种植再生稻.经3年研究。初步明确了再生稻的生育期45—60天、出叶数4张左右,同时还明确了再生稻的发根,幼穗分化进程、再生蘖发生规律和产量构成因素等特点,并初步得到了每亩250kg以上再生稻高产群体和产量的栽培技术. Regenerated rice was planted on barley and oilseed rape along the Yangtze River and in the south of Jiangsu Province after three years of research. The developmental period of ratooning rice was 45-60 days and the number of leaves was about 4. The characteristics of rooting and spike differentiation of ratoon rice, the occurrence of reclaimed tillers and the components of yield were also clarified. Cultivation techniques of high yield population and yield of ratoon rice above 250kg / mu.