African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6638

Full Length Research Paper

Effects of shifting surplus farm labor and grain subsidy on land use in Loess Plateau of Northern Shaanxi Province, China

LiuSan Cheng1,4,5, PuTe Wu1,2,3*  and XiNing Zhao1,2
  1Institute of Conservation, Chinese Academy of Sciences and Ministry of water Resources, Yangling, Shaanxi 712100, China.  2National Engineering Research Center for Water Saving Irrigation at Yangling, Yangling, Shaanxi 712100, China. 3College of Resources and Environment Sciences, Northwest Sci-Tech University of Agriculture and Forestry, Yangling, Shaanxi712100, China. 4Chongqing Research Center of Institute of soil and State Key laboratory of Coal Resources and Safe Mining, Chongqing Institute of Geology and Mineral Resources, Chongqing 400042, China. 5Key laboratory of Geology for Resources and Environment, Chongqing Administration of land, Resources and Housing, Chongqing 400042, China.  
Email: [email protected]

  •  Accepted: 05 April 2011
  •  Published: 12 November 2011



This paper analyzed the factors influencing the relationship between population, cultivated land and grain on the shifting of surplus farm labors and providing grain subsidy in the Loess Plateau of northern Shaanxi Province of China. We supposed four scenes about cultivated land pressure index from 1998 to 2008, and introduced Mann-Kendall’s non-parametric test method. The results showed that cultivated land pressures assume significant downward trend in Suide, Mizhi, Jiaxian and Zizhou Counties; however, cultivated land pressures in Wubu and Qingjian County are descending with limited effect by shifting of surplus farm labors and providing grain subsidy. The results implied that, the government should guide to further implement the Grain for Green Project.


Key words: Plateau, pressure index, cultivated land, surplus farm labors.