"施过骨粉料的" can be translated as "having been applied with bone meal" or more naturally in a sentence as "fertilized with bone meal" (depending on the context).
For example:
The soil has been fertilized with bone meal. （这块地施过骨粉料了。）
These plants were grown in soil that had been applied with bone meal. （这些植物是在施过骨粉料的土壤中种植的。）