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    Active light sensing of canopies in crop management: Pastures and arable crops

    Roberts, Jessica; Schäbitz, B.; Werner, Armin
    Abstract
    A field spectrometer with an active light source was tested as a potential canopy sensor for dairy pastures (‘TEC-5’, YARA). To study the applicability of the sensor on pasture for the intensive radiation conditions of NZ we first conducted two sensitivity experiments. Additionally, a plot experiment was designed to calibrate sensors on ryegrass and white clover canopies fertilised with five different nitrogen amounts. The pasture plots were sensed with the spectrometer and results compared with measured biomass amount and nitrogen content.
    Keywords
    arable crops; spectorometer; crop management; pastures
    Fields of Research
    0703 Crop and Pasture Production; 079902 Fertilisers and Agrochemicals (incl. Application)
    Date
    2015-02
    Type
    Conference Contribution - Published (Conference Paper)
    Collections
    • Lincoln Agritech [60]
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    Paper_RobertsJ_2_2015_Active Light sensing Canopies in Crop Management.pdf
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    © The Authors and FLRC
    Citation
    Roberts, J., Schäbitz, B., & Werner, A. (2015). Active light sensing of canopies in crop management: Pastures and arable crops. In L.D. Currie and L.L.Buskitt (Eds.), Moving farm systems to improved nutrient attenuation: Occasional Report No. 28. Fertilizer and Lime Research Centre, Massey University, Palmerston North, New Zealand. Retrieved from http://flrc.massey.ac.nz/workshops/15/Manuscripts/Paper_RobertsJ_2_2015.pdf
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