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Potential of Waste Water Use for Jatropha Cultivation in Arid Environments

Author

Listed:
  • Arisoa M. Rajaona

    () (Department of Plant Production and Agroecology in the Tropics and Subtropics Section: Crop Waterstress Management, University of Hohenheim, Garbenstrasse 13, 70599 Stuttgart, Germany)

  • Nele Sutterer

    () (Institute for Applied Material Flow Management, Trier University of Applied Sciences, Campusallee 9926, 55768 Neubrücke, Germany)

  • Folkard Asch

    () (Department of Plant Production and Agroecology in the Tropics and Subtropics Section: Crop Waterstress Management, University of Hohenheim, Garbenstrasse 13, 70599 Stuttgart, Germany)

Abstract

Water is crucial for socio-economic development and healthy ecosystems. With the actual population growth and in view of future water scarcity, development calls for improved sectorial allocation of groundwater and surface water for domestic, agricultural and industrial use. Instead of intensifying the pressure on water resources, leading to conflicts among users and excessive pressure on the environment, sewage effluents, after pre-treatment, provide an alternative nutrient-rich water source for agriculture in the vicinity of cities. Water scarcity often occurs in arid and semiarid regions affected by droughts and large climate variability and where the choice of crop to be grown is limited by the environmental factors. Jatropha has been introduced as a potential renewable energy resource since it is claimed to be drought resistant and can be grown on marginal sites. Sewage effluents provide a source for water and nutrients for cultivating jatropha, a combined plant production/effluent treatment system. Nevertheless, use of sewage effluents for irrigation in arid climates carries the risk of salinization. Thus, potential irrigation with sewage effluents needs to consider both the water requirement of the crop and those needed for controlling salinity build-up in the top soil. Using data from a case study in Southern Morocco, irrigation requirements were calculated using CROPWAT 8.0. We present here crop evapotranspiration during the growing period, required irrigation, the resulting nutrient input and the related risk of salinization from the irrigation of jatropha with sewage effluent.

Suggested Citation

  • Arisoa M. Rajaona & Nele Sutterer & Folkard Asch, 2012. "Potential of Waste Water Use for Jatropha Cultivation in Arid Environments," Agriculture, MDPI, Open Access Journal, vol. 2(4), pages 1-17, December.
  • Handle: RePEc:gam:jagris:v:2:y:2012:i:4:p:376-392:d:21915
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    Citations

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    Cited by:

    1. repec:eee:agiwat:v:196:y:2018:i:c:p:37-47 is not listed on IDEAS
    2. María Dorta-Santos & Marisa Tejedor & Concepción Jiménez & Jose M. Hernández-Moreno & M. Pino Palacios-Díaz & Francisco J. Díaz, 2014. "Recycled Urban Wastewater for Irrigation of Jatropha curcas L. in Abandoned Agricultural Arid Land," Sustainability, MDPI, Open Access Journal, vol. 6(10), pages 1-23, October.

    More about this item

    Keywords

    Jatropha curcas L.; sewage water; salinity; Morocco; irrigation requirement; N-P-K balance;

    JEL classification:

    • Q1 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture
    • Q10 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - General
    • Q11 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Aggregate Supply and Demand Analysis; Prices
    • Q12 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets
    • Q13 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Markets and Marketing; Cooperatives; Agribusiness
    • Q14 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Finance
    • Q15 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Land Ownership and Tenure; Land Reform; Land Use; Irrigation; Agriculture and Environment
    • Q16 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - R&D; Agricultural Technology; Biofuels; Agricultural Extension Services
    • Q17 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agriculture in International Trade
    • Q18 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Policy; Food Policy

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