Clarification about nutrient sources
Could someone please confirm that I'm correct when I say the following? I just want to make sure I read the chart in the slides correctly
- Minerals often contain: o nitrogen (interlayer NH4+ in mica and vermiculite), o sulfur (gypsum – calcium phosphate), o phosphorus (attached to iron and aluminum oxides and calcium carbonate), o potassium, calcium, magnesium - all found in carbonates and sulfates and silicate minerals o iron, manganese, zinc, copper – precipitated as hydroxyoxides o boron and molybdenum – adsorbed on iron and aluminum - Humus (organic matter) often contains: o Nitrogen o Sulfur o Phosphorus o Iron, manganese, zinc, copper (chelated/bound onto it) - Colloid surfaces o Iron, manganese, zinc copper o Boron, molybdenum