hat
Nan davans prepare solisyon nan silfat fereu, nan rapò a nan 400 g nan poud pou chak 10 l nan dlo oswa avèk yon solisyon nan vitriol kòb kwiv mete (100 g pou chak 10 l dlo) espre touf bwa ​​a tout antye.
eng
In advance prepared solution of ferrous sulfate, in the ratio of 400 g of powder per 10 l of water or with a solution of copper vitriol (100 g per 10 l of water) spray the entire bush.