this will be my first season and excuess me if this question is ignorent. I would like to know what tech to use in spring when weeds are present on lawns? I was thinking that if I mulch I would be spreeding weed seeds and infest the lawn with weeds. Most of the lawns around my area are burmuda and zoysia. I have tried the search on this topic and could not find any answers. I thank you for your input.