Is Pro-Mix A Soil?

Is Pro-Mix A Soil? ProMix is a high-quality plant growing medium. The ProMix soil line is known for offering a variety of potting mix options, some of which are listed as safe for organic growing. My favourite potting mixes are the Organic Vegetable & Herb Potting Mix and the plain ProMix HP peat moss+perlite bales.

Which Soil Horizon Has Very Little Organic Matter And Accumulates Soluble Metals?

Which Soil Horizon Has Very Little Organic Matter And Accumulates Soluble Metals? Subsoil. The B horizon or subsoil is where soluble minerals and clays accumulate. This layer is lighter brown and holds more water than the topsoil because of the presence of iron and clay minerals. There is less organic material. Which soil horizon has