Effects of Ecological Ditch on Nitrogen and Phosphorus Reduction of Agricultural Wastewater in Different Periods

FANG Rong-jie, ZOU Chuan-lin, XU Bao-li, DAI Jun-feng, ZHANG Shuai-pu, BAI Kai-hua

China Rural Water and Hydropower . 2022, (8): 199 -205 .