再生稻和双季稻田CH4排放对比研究

张浪,徐华勤,李林林,陈元伟,郑华斌,唐启源,唐剑武

Comparative Study on CH4Emission from Ratoon Rice and Double-Cropping Rice Fields

Lang ZHANG,HuaQin XU,LinLin LI,YuanWei CHEN,HuaBing ZHENG,QiYuan TANG,JianWu TANG

表1 水分管理技术

Table 1 Water management technology

项目Item 双季稻Double-cropping rice 再生稻Ratoon rice 间歇灌溉 Intermittent 淹灌（移栽至分蘖盛期）;晒田（分蘖盛期至抽穗期）;干湿交替灌溉[28]（抽穗至成熟期） Flood irrigation (transplanting to tillering-bushiness); drainage field (tillering-bushiness to heading); alternate wetting-drying (heading to maturity) 田面无水（直播至一叶一心期）;淹灌（一叶一心至分蘖盛期）;晒田（分蘖盛期至抽穗期）;干湿交替灌溉[28]（抽穗至成熟期） Waterless field(direct seeding to one leave-one heart); flood irrigation (one leave-one heart to tillering-bushiness); drainage field (tillering-bushiness to heading); alternate drying-wetting (heading to maturity)