Soil conditioner is a substance that improves the quality of soil, making it more fertile and able to support healthy plant growth. Typically, soil conditioners are organic materials such as compost, peat moss, or manure, which add nutrients and improve soil structure. They can also help retain moisture, reduce erosion, and increase the soil's ability to hold onto essential minerals. Inorganic soil conditioners may also be used, such as lime, sulfur, and gypsum, which can adjust pH levels and improve soil texture. Soil conditioners are an essential component of sustainable agriculture, helping to maintain healthy soil and reduce the need for synthetic fertilizers and pesticides.