Diammonium Phosphate (DAP)

DAP fertilizers are specifically used to provide plants with phosphorus (P). It became available during the 1960s, and has since been widely used on both commercial crops, as well as in domestic gardens. Phosphorus ( P) is one of three  essential macro-nutrients that are needed by plants to grow.  The other two are Nitrogen ( N) and Potassium (K).

Why Phosphorus?

Out of the three essential macro-nutrients, plants actually consume phosphorus the most.  It’s important for plants to carry out their basic life functions, such as photosynthesis, water transpiration and nutrient transfer throughout the plant.

An adequate supply of phosphorus will ensure that a plant grows to its optimum height and size. It also helps the plant produce. Research has also shown that phosphorous can greatly improve the health of crops when applied at the early stages of plant growth, after germination.

DAP is the result of a fusion between ammonia and phosphoric acid, which results in a salt called Diammonium Phosphate (DAP). This salt is compressed into pellets, granules or powders which appear grey or brown in color. They’re sprinkled over the soil close to the plants and will seep into the soil after watering or after the rain.

Why Nitrogen?

DAP fertilizers also release nitrogen into the soil, in the form of ammonium. Eventually, the ammonium in the salt breaks down into nitrates, but this process takes quite some time. Therefore, the nitrogen in DAP is considered a ‘delayed’ release nutrient, and will take longer than phosphorus to reach the plants.

The Benefits of DAP Powders

DAP fertilizers are specifically useful in soils that are poor in phosphorus content. Bringing up the P and N concentrations in the soil will result in:

  • Larger, greener and healthier looking leaves and fronds.
  • Larger fruits and flowers, which will also appear in higher quantities
  • A more rapid maturation of plants
  • Neutralizes soil that is very acidic by creating an alkaline environment around the pellets
  • Highly soluble and easy to seep into the ground

DAP Powder Application and Handling

DAP powders are highly alkaline in nature. Therefore, experts suggest that they are applied at least 5cm away from a plant. This is because dissolving powders will create an alkaline environment around itself which can have a corrosive effect on plant roots and stems, causing problems to the plant.

Additionally, these DAP granules should be applied evenly to ensure there are no large clumps of it on the ground. Large clumps of DAP will increase the alkaline effect sharply, which can have unwanted effects on your crops.

Additionally, these safety tips should be observed when using DAP:

  • Avoid using DAP with any Zinc based fertilizer as they can react and form Zinc Phosphide which is a toxic poison.
  • The best time to apply DAP powders is before planting. They can be applied one or two weeks before the seedling are transplanted, in order to ensure that they have adequately seeped into the ground.
  • DAP is usually applied below the plant or beside it
  • DAP has a synergistic effect when used together with Potassium Chloride, and these two can be mixed in equal portions before application.
  • DAP granules and powders tend to take up moisture, so they should be stores in a dry area, and covered with a tarp.

For Better and Healthier Crops

In crops like oil palms, DAP powders are often applied to palms that are browning and not producing adequate fruits. They are also used for seedlings, as early application can boost production of the plants in the future.

Also be careful and follow the application instructions well to ensure the health and safety of your crops.


Dear Sir
We are the one of the leading company in Nepal for Government Tender Business. Our main line of business is participating different type of Tender called by Government different & Government Company. We have reach Experience in bidding tender. Last 20 years we are doing business in different field. More information visits our web site for Tender process our main area of operation is in government tenders. As per Nepal government act, to bid any government tenders foreign company should approach through registered local agency in Nepal for the ease of operation.
Our Government Company Krishi Samagari Company Limited(KSCL)Head Office, Kuleshwor, Kathmandu. Published Tender For Urea 46% N and Dap 18:46:0 Tender no & Required Bid Bond & Last Date for submission in below
1 Tender no IFB NO: KSCL/U/ICB-124/077/078 Product & Quantity Urea 46% N 30000 Mt Required Bid Bond US$ 330000.00 Last Date for Submission is May 17 2021
2 Tender no IFB NO: KSCL/D/ICB-125/077/078 Product & Quantity Dap 18:46:0 5000 Mt Required Bid Bond US$ 78000.00 Last Date for Submission is May 21 2021
3 Tender no IFB NO: KSCL/D/ICB-126/077/078 Product & Quantity Dap 18:46:0 25000 Mt Required Bid Bond US$ 382000.00 Last Date for Submission is Jun 4 2021
4 Tender no IFB NO: KSCL/D/ICB-127/077/078 Product & Quantity Dap 18:46:0 25000 Mt Required Bid Bond US$ 384000.00 Last Date for Submission is Jun 21 2021
Within 7 days KSCL will decide tender and you have to supply within 107 days from date of opening L/C
You will get god price in Tender. If you do not get tender, then they realized your Bid Bond 21 days from opening of tender we will give you Target price on that price you have to quote price on our Target price 100% you will get tender
We like to represent your company in Nepal as your local agent In tender document there is written Foreign Bidders must have
With tender you have to Arrange Below Document 1 Manufacturers Authorization as per their format 2. Non-Contamination Certificate 3 Certificate of Chemical Analysis and Quality Test Report as per their format 4 Agriculture Use Certificate
As a Local agent we will do below work
1 We will give buy Tender Document Paying RS 20000.00
2 We will send you required document list as per that you have to arrange document
3 We will give you target price last tender
4 We will join Pre-BID meeting on behalf of your company
5 We will help you making proper documentation for tender and we will submit your tender to concern office and represent on opening time
6 You have to send Fertilizer from your Port to Kolkata Hadiya India port from their we will clear Indian Port Indian Custom 2 place one is in port and another is boarder point and Nepal Custom and delivery material to concern office
7 We will collect you bid bond from your advice bank in Nepal
5 Other information which you want
please inform me your views.

*Thanks and Regards*

*Bhupendra Man Singh
Managing Director *
*Avash Trade Link *
*Bhaisepati Colony,Kathmandu,Nepal

*Whats App Mob:00977-9851135607L.Line:00977-1-5590935*

Diammonium Phosphate (DAP) | Everchem Fertilizer Company


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