How to Use NPK Fertilizers

April 22, 2023


NPK fertilizers are fertilizers that supply the three macro-nutrients of nitrogen, potassium and phosphorus to plants. Some types of NPK fertilizers include NPK 15:15:15, NPK 12:12:17 and NPK 20:10:10 fertilizer etc.

NPK fertilizers can be applied to plants through base dressing, foliar application, top dressing, side dressing and Fertigation.

NPK fertilizers

How to use NPK fertilizers

The following are the steps to take to use NPK fertilizer:

Do a soil test to determine the quantity of NPK to use

A soil analysis or soil test should be done before the use of NPK fertilizer on your farmland. The soil test will guide you on the quantity of NPK fertilizer you will need to use on your crops.

There are also meters that you can use to test the effects of fertilizers on plants.

Mix the NPK fertilizer with water

Most famers prefer to mix the NPK fertilizer with water before use. For foliar application, mix 100 grams of NPK with 200 litres of water and spray to the plants. A knapsack sprayer or motorized sprayer can be used to spray the fertilizer solution.

Fertigation can also be used to pass NPK fertilizer to the root zone of plants. Fertigation involves the dissolving of fertilizers in water and passing of the fertilizer solutions through the drip irrigation lines to the roots of plants.

Application of the fertilizer to crops

NPK fertilizer can be used as top dressing, base dressing and side dressing. For top dressing, the granules of the NPK fertilizer should be sprinkled around in the farmland.

For side dressing, the fertilizer should be buried in holes dug beside each plant.

Do not use poor quality insoluble NPK fertilizer. Insist on getting high quality soluble NPK fertilizer.

Repeat Application

For some crops, you need to repeat the application of NPK fertilizer. For Fertigation, you may need to apply NPK fertilizer every day. For side dressing, you may need to apply NPK fertilizer weekly.

About NPK Fertilizers

NPK fertilizers are fertilizers that comprise of nitrogen, potassium and phosphorus. Some NPK fertilizers have micronutrients like sulphur, boron and magnesium etc.

The following are the chemical properties of NPK 15:15:15 fertilizer:

  • Nitrogen content: 15%
  • Potassium content: 15%
  • Phosphorus content: 15%
  • Moisture: 0.1%

Should you need more information about how to use NPK fertilizers, kindly call us on 08025141924.

Buy NPK 15:15:15 fertilizer, NPK 12:12:17 fertilizer and NPK 20:10:10 fertilizer here.

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