FERTILIZERS

• Fertilizers are chemical substance (organic like urea and inorganic like ammonium sulphate ) which helps in healthy growth of plants and good productive.
• The fertilizers which provide the all three minerals nitrogen , phosphorus and potassium to the plants are called complete fertilizers.

Fertilizers are used in less amount because it contains higher amount of nutrition.

• There are four types of fertilizers:-

1. Nitrogenous fertilizers:-  The fertilizers which provide nitrogen to the plants are known as Nitrogenous fertilizers.
• eg:- 
• Urea
• Ammonium sulphate 
•  Calcium ammonium nitrate
•  Sodium nitrate
•  Ammonium nitrate
2. Phosphatic fertilizers:-The fertilizers which provide phosphorus to the plants are known as Phosphatic fertilizers.
• eg:-
• Single superphosphate
• Triple superphosphate
• Dicalcium phosphate.
3. Potassic fertilizers:-The fertilizers which provide potassium to the plants are known as Potassic fertilizers.
• eg:-
• Muriate of potash or potassium chloride
• Potassium sulphate
• Potassium nitrate
4. Complex fertilizers:-The fertilizers which provide two or more nutrients to the plants are known as  fertilizers.
• eg:-
• Nitrophosphate
• Ammonium phosphate
• Urea ammonium phosphate