Changes in nitrogen and phosphorus flows and losses in agricultural systems of three megacities of China, 1990–2014

• Published in: Resources, conservation and recycling Vol. 139; pp. 64 - 75
• Main Authors: Hou, Yong, Wei, Sha, Ma, Wenqi, Roelcke, Marco, Nieder, Rolf, Shi, Shengli, Wu, Jiechen, Zhang, Fusuo
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.12.2018
• Subjects: Ammonia emission; Manure; Mineral fertilizers; Nutrient recycling; Urbanization; Urbanization; Manure; Ammonia emission; Mineral fertilizers; Nutrient recycling

•Nutrient flows in agricultural systems of three China’s megacities were quantified.•Total nutrient loss decreased in Beijing and Shanghai, but increased in Chongqing.•High urbanization rates have led to decline in animal density and cropland.•Fertilizer/feed import, animal density and manure recycl...