Synthetic fertilizers are man-made substances used to provide essential nutrients to plants. They are formulated with chemicals and minerals that help plants grow bigger and healthier. Full definition
From soil erosion and depletion of water resources to oceanic «dead zones» associated with synthetic fertilizer run - off and generation of major greenhouse gas emissions. (foe.org)
Commercial farming relies on synthetic fertilizer which in effect kills the soil. (nourishholisticnutrition.com)
More synthetic fertilizer manufacturers now make phosphorus - free products. (remonline.com)