Soy (Rio Grande do Sul, Brazil)

Study details

  • Research institution: Physioatac Consultoria Agrícola
  • Researcher: Gabriel Schaich
  • Date: November 2019 – March 2020
  • Location: Cruz Alta, Rio Grande do Sul, Brazil
  • Soil: pH 5.6, red latosol soil type (38% clay)
  • Fertilizers: Granubor ®, ulexite, and KCl compacted + boron (0.5% B + 58% K2O)
  • Crop variety: BMX Zeus IPRO
  • Trial design: Randomized complete block design with 4 reps. Treatments were soil applied in November 2019.


At a boron rate of 1.3 kg/ha, Granubor resulted in the highest grain yield, with advantage of 322 kg/ha over the control. Also, Granubor resulted in the highest grain yield, with a yield advantage of 59 and 212 kg/ha over the ulexite and KCl compacted + boron treatments, respectively.

Results from soy field trial


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