洼里乡

1990年7月4日到9月28日，对北京朝阳区洼里乡的麦茬稻田甲烷排放进行了测定研究，取得了不同农业管理条件下的一些初步结果。

From July 4 to Sept. 28 , 1990 , the CH4 emission from paddy fields of rice after wheat in Beijing area and the effects of different field managements on CH4 emission were studied .

在1990&1992年期间中国环境科学研究院观测了北京地区洼里乡的稻田中甲烷的排放情况。其间农田中施用了有机堆肥和几种化学肥料，以观察化学肥料和有机肥料对甲烷排放的影响。

The methane release fluxes from paddies in complete rice growth period have been monitored in Wali County of Beijing City from 1990 to 1992 . Different fertilizers were applied in the fields in order to test the effect of organic and chemical fertilizer on methane emission .