博斯腾湖流域典型农田与排渠氮磷的变化特征分析

李含慧雷晓云李阳王晓愚

Analysis on Variation Characteristics of Nitrogen and Phosphorus in Typical Farmland and Drainage Ditches of Bosten Lake Basin

节水灌溉 . 2014, (9): 57 -59 .