According to Quali-Pro Oryzalin 4 Pro's label, reseeding should be delayed for at least 90-120 days following application. When reseeding, it is essential that proper cultural practices such as soil cultivation and seedbed preparation, irrigation, and fertilization be followed. Also, using a wee…
Read Full Answer »Quali-Pro Oryzalin 4 Pro works best when irrigated with at least 1/2 inch of water after application. For the most accurate application, it is probably best not to apply during a rain.