Is the ability of a product to damage plants.
Phytotoxicity refers to toxic effects on plants. Plant phytotoxicity testing on the finished compost that contains degraded polymers can determine if the buildup of inorganic materials from the plastics is harmful to plants and crops and if they slow down soil productivity.
The degree to which a chemical or other agent is toxic to plant life. This may be specific to particular kinds or types of plants.