If a pesticide label states it can be mixed with other substances, it is considered to be what?

When a pesticide label indicates that it can be mixed with other substances, it is classified as compatible. This means that the pesticide can be safely combined with other products without resulting in chemical reactions that could render either substance ineffective or produce harmful consequences, such as phytotoxicity or the formation of undesirable by-products.

Compatibility is a crucial consideration for applicators because it allows for the efficient use of pesticides in conjunction with other agents, such as fertilizers or other pesticides, to achieve better pest control outcomes and to avoid issues that arise from improper mixtures. Understanding compatibility ensures that the effectiveness of the application is not compromised, and it also helps prevent potential hazards to the environment and human health.