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    Enhancing the crop yield through capacity building programs: application of double difference method for evaluation of drip capacity building program in Tamil Nadu State, India

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    Authors
    Kuppannan, Palanisami
    Ranganathan, C.R.
    Sureshkumar, D.
    Malik, Ravinder Paul Singh
    Date
    2014
    Language
    en
    Type
    Journal Article
    Accessibility
    Open Access
    Metadata
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    Citation
    Kuppannan, Palanisami; Ranganathan, C. R.; Sureshkumar, D.; Malik, Ravinder Paul Singh. 2014. Enhancing the crop yield through capacity building programs: application of double difference method for evaluation of drip capacity building program in Tamil Nadu State, India. Agricultural Sciences, 5(1):33-42. doi: http://dx.doi.org/10.4236/as.2014.51003
    Permanent link to cite or share this item: https://hdl.handle.net/10568/40229
    External link to download this item: http://www.scirp.org/journal/PaperDownload.aspx?paperID=41843
    Abstract/Description
    A capacity building program on drip irrigation (TNDRIP) was undertaken in certain regions of the Indian State of Tamil Nadu during 2009-2010. An assessment of the impact of the program in terms of effective use of drip irrigation and in-creased crop yields was made in 2011 by ap-plying double difference method (a combination of both with and without and before and after approaches). The results had indicated that the drip capacity building program resulted in a yield increase of 2.5 t/ha for Banana 1, 1.9 t/ha for Banana 2, 3.3 t/ha for sugarcane and 0.3 t/ha for turmeric. The conventional method using the before and after situations had shown a yield increase of 4.3 t/ha for Banana 1, 12.1 t/ha for Banana 2, 40.6 t/ha for sugarcane and 2.6 t/ha for turmeric. The conventional approach is highly upward biased in estimating the impact of the drip capacity building program and thus the double difference method will be an appropriate method to evaluate the impact of the programs that involve both with and without as well as before and after situations.
    Subjects
    DRIP IRRIGATION; CAPACITY BUILDING; CROP YIELD; WATER USE EFFICIENCY; FARMERS; BANANAS; SUGARCANE; TURMERIC;
    Countries
    INDIA
    Regions
    SOUTH ASIA
    Collections
    • Land and Water Productivity [416]
    • IWMI Journal Articles [2024]

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