By calibrating the spraying machine one can find out the spray application rate. This information is necessary whenever the uses of chemicals are specified in amounts per hectare
Pokonza katulukidwe kamankhwala mu sprayer, mungathe kupeza mulingo wakapopeledwe. Uthenga uwu umafunikira pamene kagwiritsidwe ntchito kamankhwala kanenedwa kuti kachuluke pa hectare 