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Sustainability evaluation of soil and water conservation type agriculture:A case study on Zhifanggou in Ansai County,Shaanxi Province |
Huang Liang,Li Jing |
Northwest A&F University,712100,Yangling,Shaanxi,China |
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Abstract Serious loss of soil and water and fragile environment in Loess Plateau are the main factors which hinder the development of local agriculture and rural economy.Based on the definition of sustainable agriculture by FAO,a sustainability evaluation model with multiple indexes for soil and water conservation type ecological agriculture was established.With the model,sustainability of conservation type agriculture in Zhifanggou of Ansai County of Shaanxi Province was evaluated and discussed in this paper.The assessment showed that indices of productivity,economical vitality,protection,stableness and acceptability reached to 69.5,56.8,62.5,86.8 and 52.8 respectively.Integrated sustainable index reached to 65.4,which was primary sustainable level.
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Received: 24 October 2006
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