【摘要】 通过４年定位试验，分析了不同小春作物、中稻、再生稻在稻田复种耕制中的生产效益、经济效益和物质、能量转化效益，为认识中稻－再生稻在稻田耕制中的地位、作用和发展小春－中稻－再生稻复种制，促进稻田生产向“两高一优”农业发展提供了依据。更多还原

【Abstract】 In the cultivating system of early-spring crop and middle rice-ratooning rice,the position and function of middle rice and ratooning rice were analysed.The cultivating benefit and economic benefit and nutrient-energy-turning benefit in different triple-cropping systems were also discussed.The results gave envidences for recognizing and developing ratooning rice cultivating ystem.更多还原