Studies of new tools and methods for weed control have been motivated by increased consumer demand for organic produce, consumer and regulatory demands for a reduction in environmentally harmful herbicide use, and the decreased availability of farm workers willing to perform manual tasks, such as hand weeding. This study describes the performance of a new sprayer system for commercial production that integrates two herbicide applications in a single pass, selective herbicide (SH) application in narrow bands over the crop row, and a non-selective herbicide (NSH) application between crop rows. A real-time kinematic (RTK) global positioning system (GPS) was used for auto-guidance in seeding and spraying operations. Conventional broadcast SHs and experimental treatments were applied at a constant nominal speed of 5.5 km h-1 for comparison. Trials in commercial sugar beet fields demonstrated the following: (i) average hand-weeding time can be reduced by 53% (ii) the new sprayer system reduced SH use by 76%, and (iii) sugar beet density did not change significantly during treatment. These results demonstrate the feasibility of using the new RTK-GPS controller sprayer system for differential and efficient herbicide application in inter- and intra-row zones in row crop production.


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    Titel :

    Field sprayer for inter and intra-row weed control: performance and labor savings


    Beteiligte:
    Carballido, J. (Autor:in) / Rodríguez-Lizana, A. (Autor:in) / Agüera, J. (Autor:in) / Pérez-Ruiz, M. (Autor:in)

    Erscheinungsdatum :

    2013-07-15


    Anmerkungen:

    doi:10.5424/sjar/2013113-3812
    Spanish Journal of Agricultural Research; Vol. 11 No. 3 (2013); 642-651 ; Spanish Journal of Agricultural Research; Vol. 11 Núm. 3 (2013); 642-651 ; 2171-9292



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Klassifikation :

    DDC:    629



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