section_path: Classification/Single nutrient ("straight") fertilizers
section_name: Single nutrient ("straight") fertilizers
paragraph_text: Single nutrient ("straight") fertilizers
  
  The main nitrogen-based straight fertilizer is ammonia (NH) ammonium (NH) or its solutions, including:
  
  The main straight phosphate fertilizers are the superphosphates:
  
  A mixture of single superphosphate and triple superphosphate is called double superphosphate. More than 90% of a typical superphosphate fertilizer is water-soluble.
  
  The main potassium-based straight fertilizer is muriate of potash (MOP, 95–99% KCl). It is typically available as 0-0-60 or 0-0-62 fertilizer.