一、超级稻“三定”栽培的技术内涵超级稻“三定”栽培法是指定目标产量、定群体指标、定技术规范的水稻栽培方法。在目标产量已确定的基础上(定产),群体指标的调控首先是确定基本苗数和栽插密度(定苗),其次是确定适宜的氮肥用量(定氮)。因此,超级稻“三定”栽培法的内涵可理解 First, the super rice “three ” cultivation of the technical content super rice “three ” cultivation method is to specify the target yield, set population indicators, set the technical specifications of rice cultivation methods. In the target yield has been established on the basis of (fixed production), the first group of indicators to control the basic number of seedlings and planted planting density (Dingmiao), followed by the determination of the appropriate amount of nitrogen fertilizer (nitrogen). Therefore, the super rice “three ” cultivation method is understandable