3Chadwick D, Wei J, Yan'An T, et al. Improving manure nutrient management towards sustainable agricultural intensification in China[J]. Agriculture, Ecosystems & Environment, 2015,209( 11 ) : 34-36.
4Bluemling B, Hu C S. Vertical and System Integration Instead of Integrated Water Management? Measures for Mitigating NPSP in Rura| China[C]. Orl6ans : Groundwater Conference, 2011.
5Gao C, Zhang T. Eutrophication in a Chinese context:Understand -ing various physical and socio-economic aspects[J]. Ambio, 2010,39(5 ) : 385-393.
6Zheng C, Bluemling B, Liu Y, et al. Managing manure from China' s pigs and poultry: The influence of ecological rationality[J]. Ambio,2014,43(5) :661-672.
7Kassie M, Jaleta M, Shiferaw B, et al. Adoption of interrelated sustainable agricultural practices in smallholder systems : Evidence from rural Tanzania[J]. Technological Forecasting and Social Change,2013,80(3) : 525-540.
8Chakravorty U, Fisher D K, Umetsu C. Environmental effects of intensification of agriculture: Livestock production and regulation [J]. Environmental Economics and Policy Studies, 2007, 8 (4) : 315-336.