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    Proximal near-infrared spectral reflectance characterisation of weed species in New Zealand pasture

    Holmes, Wayne; Ooi, Melanie; Look, Morgan; Kuang, Y.C.; Simpkin, R.; Blanchon, Dan; Demidenko, S.

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    I2MTC_Proximal_Spectral_Reflectance_Characterisation_of_Botanical_Composition_in_New_Zealand_Pasture_v15.pdf (1.114Mb)
    Date
    2019-09-09
    Citation:
    Holmes, W.S., Ooi, M., Look, M., Kuang, Y.C., Simpkin, R., Blanchon, D., & Demidenko, S. (2019). Proximal Near-Infrared Spectral Reflectance Characterisation of Weed Species in New Zealand Pasture. 2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2019) (pp. 596-601).
    Permanent link to Research Bank record:
    https://hdl.handle.net/10652/4721
    Abstract
    Recent extensive study was performed on Jacobaea vulgaris that characterized the plant leaves using hyperspectral reflectance against the successional stage of vegetation. It reported a high similarity of the leaf spectral reflectance measurement over the plant’s different stages of growth. This paper extends the earlier study by characterizing the proximal spectral reflectance measurements of three species of common New Zealand pasture weeds: (a) Jacobaea Vulgaris; (b) Rubus; and (c) Ulex growing in three different common soil pastures, specifically: (i) Typic Orthic Gley; (ii) Typic Orthic Granular; (iii) Typic Orthic Brown. The research goes on to determine the inter- and intra- species proximal spectral reflectance variation of the studied common weeds. Finally, it examines the suitability and extent of accuracy of different statistical analysis methods when applied on proximal spectral reflectance measurement to identify the three commonspecies of weeds growing on New Zealand pastures.
    Keywords:
    New Zealand, weed detection and identification, weeds, pastures, spectral reflectance, field spectroscopy, proximal imaging, spectral imaging
    ANZSRC Field of Research:
    070308 Crop and Pasture Protection (Pests, Diseases and Weeds)
    Rights:
    This digital work is protected by copyright. It may be consulted by you, provided you comply with the provisions of the Act and the following conditions of use: Any use you make of these documents or images must be for research or private study purposes only, and you may not make them available to any other person. You will recognise the author's and publishers rights and give due acknowledgement where appropriate.
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    • Construction + Engineering Conference Papers [198]

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