一、早稻品种的一般情况 黃岩县位于浙江东南部,气候溫和,是一个双季稻地区。早稻品种过去均以当地籼稻类型为主,近年来由于改制和施肥水平的提高,粳稻类型栽培面积逐年扩大,这一类型的品种大多系耐肥、高产、抗倒的北方粳稻品种,引到黄岩后,虽有提早成熟的趋势,但基本上适合在当地环境栽培,是今后引种方向之一,也是在較短时期迅速获得适合于当地生产上应用的 First, the general situation of early rice varieties Huangyan County is located in southeastern Zhejiang, a mild climate, is a double cropping rice region. In the past, the types of early rice were dominated by local indica rice types. In recent years, due to the improvement of the system of transformation and fertilization, the type of cultivated area of ​​japonica rice has been expanding year by year. Most of this type of rice is a japonica rice variety with high yield and lodging resistance, , Although the trend of early maturity, but basically suitable for cultivation in the local environment, is the introduction of one of the future direction, but also in a relatively short period of time to obtain suitable for local production applications