Farm Productivity Loss due to Flood-Induced Sand Deposition: A Study in Dhemaji, India
It is widely believed that the decline in agricultural productivity in the Dhemaji district of Assam, India, is due to flood-induced sand depositions in paddy fields. Increased sand content reduces the water retaining capacity of soils and reduces crop productivity. Soil tests in 346 agricultural plots in the Jiadhal basin of the Dhemaji district show high concentrations of coarse sand, low pH, low organic carbon and nutrients. Some 39% of the plots tested had sand concentrations greater than 70%. An analysis of the effect of sand on productivity suggests that sand deposits have a significant effect on paddy yields. The annual damage costs from sand deposition in the study area are estimated to range from INR 690 to 1845 (US$ 13 to 35) per hectare. This study underscores the need for further research to identify other factors that may also be responsible for the decline in paddy productivity in the region, while proposing interventions to improve paddy productivity.
|Date of creation:|
|Date of revision:|
|Contact details of provider:|| Postal: South Asian Network for Development and Environmental Economics PO Box: 8975, EPC: 1056 Kathmandu, Nepal|
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Campbell, Bruce & Mandondo, Alois & Nemarundwe, Nontokozo & Sithole, Bevlyne & De JonG, Wil & Luckert, Marty & Matose, Frank, 2001. "Challenges to Proponents of Common Property Recource Systems: Despairing Voices from the Social Forests of Zimbabwe," World Development, Elsevier, vol. 29(4), pages 589-600, April.
- Beck, Tony & Nesmith, Cathy, 2001. "Building on Poor People's Capacities: The Case of Common Property Resources in India and West Africa," World Development, Elsevier, vol. 29(1), pages 119-133, January.
- Marc Jacobson & Joel De Castro & Vianca Aliaga & Julio Romero & MAllison Davis, 1998. "The Role of Tenure Security and Private Time Preference in Neotropical Deforestation," Land Economics, University of Wisconsin Press, vol. 74(2), pages 162-170.
- Holden, Stein T. & Shiferaw, Bekele & Wik, Mette, 1998. "Poverty, market imperfections and time preferences: of relevance for environmental policy?," Environment and Development Economics, Cambridge University Press, vol. 3(01), pages 105-130, February.
- Salvatore Di Falco & Charles Perrings, 2003. "Crop Genetic Diversity, Productivity and Stability of Agroecosystems. A Theoretical and Empirical Investigation," Scottish Journal of Political Economy, Scottish Economic Society, vol. 50(2), pages 207-216, 05.
- Baland, Jean-Marie & Platteau, Jean-Philippe, 1997. "Wealth Inequality and Efficiency in the Commons: Part I: The Unregulated Case," Oxford Economic Papers, Oxford University Press, vol. 49(4), pages 451-82, October.
- Edella Schlager & Elinor Ostrom, 1992. "Property-Rights Regimes and Natural Resources: A Conceptual Analysis," Land Economics, University of Wisconsin Press, vol. 68(3), pages 249-262.
- Kant, Shashi, 2000. "A dynamic approach to forest regimes in developing economies," Ecological Economics, Elsevier, vol. 32(2), pages 287-300, February.
- Alexander Karaivanov, 2009. "Heterogeneity, returns to scale, and collective action," Canadian Journal of Economics, Canadian Economics Association, vol. 42(2), pages 771-807, May.
- Trond Vedeld, 2000. "Village politics: Heterogeneity, leadership and collective action," Journal of Development Studies, Taylor & Francis Journals, vol. 36(5), pages 105-134.
- Dayton-Johnson, Jeff, 2000. "Determinants of collective action on the local commons: a model with evidence from Mexico," Journal of Development Economics, Elsevier, vol. 62(1), pages 181-208, June.
- Varughese, George & Ostrom, Elinor, 2001. "The Contested Role of Heterogeneity in Collective Action: Some Evidence from Community Forestry in Nepal," World Development, Elsevier, vol. 29(5), pages 747-765, May.
- Pranab Bardhan, 1993. "Symposium on Management of Local Commons," Journal of Economic Perspectives, American Economic Association, vol. 7(4), pages 87-92, Fall.
When requesting a correction, please mention this item's handle: RePEc:snd:wpaper:73. See general information about how to correct material in RePEc.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Anuradhak)
If references are entirely missing, you can add them using this form.