With orthogonal polynomial the relationship between middle-season rice yield and meteorological factors (air-temperature,precipitation,sunshine-time)during ear differentiation, heading and seeding stage of middle-season rice over the years in Jingzhou Cit
With orthogonal polynomial the relationship between middle-season rice yield and meteorological factors (air-temperature,precipitation,sunshine-time)during ear differentiation, heading and seeding stage of middle-season rice over the years in Jingzhou Cit
采用正交多项式法分析了荆州市历年中稻稻穗分化期和抽穗结实期的气象条件(温度、降水、日照时间)与中稻产量的关系。