Orange, Virginia (1971): Yield was significantly improved
South Africa (1989-1990): Best yield was achieved with applications at first bud break
Minas Gerais, Brazil (2016-2017): Highest yield
Sao Paulo, Brazil (2013-2015): Consistent yield increase
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
Parana, Brazil (2015-2016): One year study of Granubor
Parana, Brazil (2014-2015): One year study of Solubor
Parana, Brazil (2015-2016): One year study of Solubor Flow
Tennessee, USA (2004): Significant increase in yield
Mato Grosso do Sul, Brazil, USA (2018-2019): Increased seed cotton yield