soil crossword

123456
Across
  1. 1. farmer's friend
  2. 5. vertical section of soil from ground surface to parent rock
  3. 6. overgrazing by animals leads to this
Down
  1. 2. layer of soil rich in minerals
  2. 3. the process of soil formation
  3. 4. the rock base of unwathered rocks
  4. 5. this soil has least water holding capacity