Soil amendments are elements added to the soil, such as compost, peat moss, or fertilizer, to improve its capacity to support plant life. While fertilizer improves soil by adding nutrients only, amendments such as peat moss improve soil by making its texture or drainage more conducive to plant health. Peat moss adds no nutrients to soil. Meanwhile, compost enhances soil both by adding nutrients and improving texture and drainage.
Adding additional ingredients to the soil. Usually they are described as soil amendments. Leaf mold, compost, peat moss, and sand can all be used as soil amendments.
A material that is used to improve the soil, usually an organic or mineral material (compost, sand, limestone).