The demonstration trial was set at Fazenda Estiva, Uberlandia County, Minas Gerais State, Brazil. The following treatments were tested: 1.0 t/ha of pre-planting broadcast gypsum, pre-planting broadcast 150 kg/ha of KCl , 4.0 kg/ha foliar K nitrate at pod filling stage and 1 or 2 fungicide applications. The following yields a(kg/ha of soybeans) were obtained:

Treatments	- gypsum		+ gypsum		Average
	- KCl	+ KCl	- KCl	+ KCl
fungicide (2x) + K nitrate	4,190	4,350	4,320	4,480	4,330
fungicide (2x) - K nitrate	4,070	4,160	4,250	4,270	4,190
fungicide (1x) + K nitrate	3,920	4,070	3,980	4,090	4,010
fungicide (1x) - K nitrate	3,630	3,790	3,790	3,940	3,790
Average	3,950	4,090	4,090	4,190	-