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Conversion Efficiency of Photosynthetically Active Radiation for Soybean Cultivations in Spatial Arrangements

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Listed:
  • Braulio Otomar Caron
  • Ana Paula Rockenbach
  • Denise Schmidt
  • Thaise Dieminger Engroff
  • Felipe Schwerz
  • Julia Renata Schneider

Abstract

The objective of this paper was to assess the efficiency of photosynthetically active radiation (PAR) intercepted in dried phytomass of soybean cultivars of determinate and indeterminate growth habits in different spatial arrangements. All experiments were carried out during the 2013/2014 crop year, two soybean cultivars (BMX Ativa RR/determinate and BMX Turbo RR/indeterminate) in a spatial arrangements (45, crossed, 20, 20 × 40, 20 × 60, 20 × 80 cm). Starting from first emergence up to the point of maturation, 14 phytomass assessment were evaluated with seven days interval, in which one plant was sampled per repetition. Greater conversion efficiencies of solar radiation were obtained in paired arrangements. Paired arrangements, and 20 cm, lead to a greater leaf area index, and possibly a greater interception of the diffused radiation and an increase of conversion efficiency and the overall cultivation productivity of BMX Ativa RR and BMX Turbo RR.

Suggested Citation

  • Braulio Otomar Caron & Ana Paula Rockenbach & Denise Schmidt & Thaise Dieminger Engroff & Felipe Schwerz & Julia Renata Schneider, 2019. "Conversion Efficiency of Photosynthetically Active Radiation for Soybean Cultivations in Spatial Arrangements," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 11(9), pages 213-213, July.
    • Handle: RePEc:ibn:jasjnl:v:11:y:2019:i:9:p:213
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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