Soil

12345
Across
  1. 3. affects soil aggregation, may be a positive or negative effect
  2. 4. B horizon, zone of accumulation, often high in clay, Fe, Al oxides
  3. 5. a soluble chemical or mineral draining from soil
Down
  1. 1. rock formed under high temperature and pressure from igneous and/or sedimentary rocks
  2. 2. color chart used to give hue, value and chroma of a soil