When customer transport requests are included in an update procedure performed on a customer-customizable business software architecture, versioning of the objects and other features imported via such transport requests can require an extended period of business downtime using conventional methods. The slurry according to the invention includes an agent that suppresses the rate at which an underlying silicon-containing dielectric layer is removed. Furthermore, the fertilizer is deprived of the nutrient values of these low-solubility salts and, as a result, the economic value of the fertilizer is reduced.