2 weeks ago, I rented a Bluebird slit-seeder for a total lawn renovation (after killing everything with Round-Up in early September). I'm fairly pleased with the results but I obviously missed a couple of spots (I can clearly tell where I messed up). Anyway, I raked up those dead spots to expose the soil and I just spread some more seed in that area at the new lawn setting with my Scott's spreader. Can I apply Scott's starter fertilzer in these missed areas only? I applied starter fertilzer across the entire lawn 2 weeks ago after I seeded. How long does that stuff stay in the soil and what are the drawbacks to applying more? Thank you.