Wisconsin, USA (2022): The first corn study comparing Granubor and Solubor Flow +K
Paraná, Brazil (2020-2021): Application of 3 kg Granubor gave the highest barley grain yield compared to the control and acidulated ulexite.
Kentucky, USA (2020): Granubor shows a better performance than the control.
Mississippi, USA (2021): Granubor shows a better performance than the control and ulexite.
Rio Grande do Sul, Brazil (2019-2020): One year study of Granubor
Paraná, Brazil (2015-2016): One year study of Granubor
Paraná, Brazil (2014-2015): One year study of Solubor
Paraná, Brazil (2015-2016): One year study of Solubor Flow
São Paulo, Brazil (2013-2015): Superior results in sugarcane yield
Mekong Delta, Vietnam (2018-2019): Average yield increase of 10%
Hebei, China (2011): Yield increase of 7.03% as compared with routine fertilization
Java, Indonesia (2011-2012): Yield increase of 7.57%
Jilin, China (2011): Yield increase of 8.3% as compared with application of mixed fertilizer containing no zinc
Tennessee, USA (2004): Significant increase in yield
West Java, Indonesia (2011): Yield increase of 8-20%
Central Java, Indonesia (2012-2013)
Shaanxi, China (2011): More green leaf color, healthier plant growth, yield increase of 2.6%
Shandong, China (2011)