Economic Performance and Sustainability of a Novel Intercropping System on the North China Plain
文献类型： 外文期刊
作者： Huang, Chengdong 1 ; Liu, Quanqing 2 ; Heerink, Nico 3 ; Stomph, TjeerdJan 4 ; Li, Baoshen 1 ; Liu, Ruili 1 ; Zhang, H 1 ;
作者机构： 1.China Agr Univ, Ctr Resources Environm & Food Secur, Beijing 100094, Peoples R China
2.Hebei Acad Agr & Forestry Sci, Inst Agr Resources Environm, Shijiazhuang, Peoples R China
3.Wageningen Univ, Dev Econ Grp, NL-6700 AP Wageningen, Netherlands
4.Wageningen Univ, Ctr Crop Syst Anal, NL-6700 AP Wageningen, Netherlands
期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）
ISSN： 1932-6203
年卷期： 2015 年 10 卷 8 期
页码：
收录情况： SCI
摘要： Double cropping of wheat and maize is common on the North China Plain, but it provides limited income to rural households due to the small farm sizes in the region. Local farmers in Quzhou County have therefore innovated their production system by integration of watermelon as a companion cash crop into the system. We examine the economic performance and sustainability of this novel intercropping system using crop yield data from 2010 to 2012 and farm household survey data collected in 2012. Our results show that the gross margin of the intercropping system exceeded that of the double cropping system by more than 50% in 2012. Labor use in the intercropping system was more than three times that in double cropping. The lower returns per labor hour in intercropping, however, exceeded the average off-farm wage in the region by a significant margin. Nutrient surpluses and irrigation water use are significant larger under the intercropping system. We conclude that the novel wheat-maize/watermelon intercropping system contributes to rural poverty alleviation and household-level food security, by raising farm incomes and generating more employment, but needs further improvement to enhance its sustainability.
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