Hey I need your help !!! I support a Projekt in south of Nairobi . A friend has two acres and planted tomato seedling 6 weeks ago . Now he will sprayed pesticides: Change of plan 1.sticker 10litre 2.escort(mdudu)10litre 3.jibu(baridi)10litre 4.starter 10litre . My question is: how often use pesticides and how many for two acres?? Please help me to understand ! Thanks so much!!