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What is a Fertilizer? A Fertilizer is a material that is added to the soil to supply one or more elements required for plant growth and productiveness. The major three elements are nitrogen, potassium and phosphorus, the secondary elements are calcium, sulfur, magnesium, and other elements. Fertilizers enhance the natural fertility of the soil.
There are broadly 2 types of Fertilizers.
Organic fertilizers include properly managed manure and compost.
Whereas, Inorganic fertilizers, also known as Artificial fertilizers, are formulated in appropriate concentrations and combinations supply three main nutrients: nitrogen, phosphorus and potassium that is, N, P and K, Hence they are named as NPK fertilizers.
The one Here, on left hand side, white colored salt is plain urea salt, which we are not going to use it for our home garden, because it has very high nitrogen content of above 80% which can burn the plant and roots, if used in higher quantity.
The other one, creamy yellowish crystals here are NPK fertilizer. We usually use percentages of 20 20 20 combination of NPK. Hence its also called as NPK 20-20-20.
N – the nitrogen, promotes leaf growth and forms proteins and chlorophyll. P – the phosphorus, contributes to root, flower and fruit development. K – the potassium, contributes to stem and root growth and the synthesis of proteins.
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Careful fertilization with correct quantity is important because excess nutrients can be as detrimental. Fertilizer burn can occur when too much fertilizer is applied, resulting in drying out of the leaves and damage or even death of the plant.
So, without going into too many details, I will quickly show you what is required for home gardening.
The fertilizer you are seeing here is NPK 20-20-20. The 1 kilogram bag of this, costs about 250 to 300 Rupees. The link to purchase this in India is given in description of this video. You can also search or this NPK fertilizer at our website www.GKVK.IN .
Application of this fertilizer crystals is very easy and depends on the size of the pot. For Larger pots of 16 – 18 inch diameter, you can use 15 to 20 crystals, once, every 15 days.
For 12 to 14 inch pot diameter, you can use arounf 10 crystals every fortnightly. For smaller pots,
About 5 crystals should suffice.
If your plants are in ground soil, you can use little larger quantity without any issues.
Okay!, the easiest method is, Just throw them on the soil. They are water soluble. As you keep watering your plant, the NPK slowly dissolves in water and enters the soil and the roots slowy take up these elements as an when required.
