Media Review 2

Media Review 2 Peat mossCOIRrice hullsVermiculitesawdustcompost Perlite rockwool Which media component is used as a base and has a really low pH? Which media component is sometimes substituted for peatmoss but is easier to wet and more renewable? Which media component may require a wetting agent as an amendment because of its hydrophobicity? Which media component would increase the bulk density of the mix so used for nursery stock? Which media component will crush if over mixed? Which media component, composed of expanded mica, has a med-high CEC? Which media component is used almost exclusively for hydroponics or in slabs for vegetable production? What media component, used to increase air spaces, may contain high amounts of fluoride? What does it mean when a media component is stable? In what application would you use fritted trace elements? When would you use chelated trace elements? What is the purpose of adding dolomitic limestone to your mix? Which is slower to react - ground lime or dolomite lime? Where and what is biochar used for?