What is the difference between loam and compost?

Loam is comprised of almost equal amounts of sand and silt and a little less clay. The sand provides good aeration and drainage, but does not hold onto moisture. Clay is high in nutrients, but is not great for allowing water, air, and roots to penetrate. Compost is used to add nutrients to dry and hardened soils.Click to see full answer. Herein, is compost the same as topsoil?Topsoil is the layer of humus (partially decomposed organic matter) between the surface and the subsoil. Once upon a time, topsoil was a deep, rich, organic layer. Compost is not topsoil. It can be used to make topsoil or improve topsoil, but is the wrong product for many applications that call for topsoil.Furthermore, what is loam based compost? Loam based compost John Innes Composts are soil-based made from a mixture of loam, sand or grit and peat with increasing amounts of plant foods added. Considering this, is potting soil the same as loam? Potting soil is a mixture of peat moss and other organic materials such as composted sawdust. Potting soil provides all the nutrients required for the plant. Loamy soil is actually a combination soil, normally equal parts of clay, silt, and sand, which gives the benefits to the plant growth.What is the best type of compost? A Comparison of the Different Types of Compost Types Advantages Uses Green Manure Adds organic matter to the soil, improves soil texture, leguminous crops add nitrogen Rice, maize, sugarcane, cotton, wheat Compost Economic and environment friendly waste management, low cost Fruits and vegetables