Question

What are fertilizers ? Why are they needed ? What do you mean by NPK fertilizers ?

Answer 1

Fertilizers are natural or synthetic materials which are used to provide one or more essential nutrient to plants. If anywhere plants are not well developing or growing properly due to lack of any essentials nutrients then fertilizers are provided that plants to their proper growth and developments.

NPK represents the value of three macronutrients N means nitrogen, P means phosphorus and K means potassium. Nitrogen helps in growth of plant's leaves, phosphorus helps in the growth of root and flower/fruit development and potassium helps in overall function plants correctly perform.