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本试验对两系杂交稻早稻与晚稻两茬套种模式的高产机制进行了探讨，主要从水稻各生育期的茎蘖增长动态、生物量积累和产量构成因素三个方面进行系统观察与测定。按照两茬套种模式进行管理，双季稻平均产量１０６２．１ｋｇ／６６７ｍ２，最高产量１１２５ｋｇ／６６７ｍ２。这一高产模式为水稻更高产提供了新的方法。
In this study, we discussed the high yield mechanism of intercropping patterns of two-line hybrid rice with early rice and double-cropping, and systematically observed and measured the stem growth dynamics, biomass accumulation and yield components at different growth stages of rice. According to the interception pattern of double cropping management, double cropping rice average yield 1062.1kg / 667m2, the highest yield 1125kg / 667m2. This high-yield model provides a new way for rice to yield more.