Agricultural ChemicalsIn Stock

Diammonium Phosphate (DAP) Fertilizer

Name: Zenco Systems Ltd - Chemical Division
Address: Industrial Area, Enterprise Road, KCB Building, Nairobi, Kenya
Telephone: +254114591982
Price range: KES

Diammonium Phosphate (DAP) is a high-quality fertilizer providing essential nitrogen and phosphorus for optimal crop growth across East Africa.

Agriculture across East Africa depends heavily on nutrient-rich fertilizers to sustain crop yields and soil health.

WhatsApp Request Quote Contact Sales

+254114591982 Email Sales

Packaging

25kg bags, 50kg bags, bulk bags

Supply Region

Kenya, East Africa

Supplier

Zenco Systems Ltd

What is Diammonium Phosphate (DAP) Fertilizer?

Agriculture across East Africa depends heavily on nutrient-rich fertilizers to sustain crop yields and soil health. Diammonium Phosphate (DAP) Fertilizer is a foundational input for cereal grains, fruits, vegetables, and plantation crops throughout this region. Its balanced nutrient content addresses two critical plant macronutrients — nitrogen and phosphorus — which are key drivers of vigorous growth and root development.

DAP is a white crystalline solid, chemically known as diammonium hydrogen phosphate, with the formula (NH4)2HPO4. Farmers and agronomists value DAP for its high phosphorus concentration coupled with substantial nitrogen, making it one of the most efficient phosphorus fertilizers available. Zenco Systems Ltd supplies this essential agricultural chemical reliably across Kenya, Uganda, Tanzania, Rwanda, and neighboring East African countries. Its commercial importance lies in both enhancing crop performance and supporting sustainable soil fertility management, making it a staple product for agricultural industries and commercial farms.

Beyond its nutrient profile, DAP’s solubility in water ensures rapid availability of nutrients after soil application, a crucial factor for regions with short growing seasons or variable rainfall. As a supplier, Zenco Systems Ltd emphasizes product authenticity, dependable logistics, and expert guidance to help farming operations across multiple East African markets optimize their fertilizer usage and yield outcomes.

Diammonium Phosphate (DAP) Fertilizer: Detailed Product Overview

Diammonium Phosphate (DAP) Fertilizer is synthesized typically by reacting ammonia with phosphoric acid under controlled conditions, forming the diammonium hydrogen phosphate compound ((NH4)2HPO4). This reaction results in a highly soluble white crystalline solid that readily dissolves in soil moisture, releasing ammonium and phosphate ions. The ammonium (NH4+) provides nitrogen essential for vegetative growth, while the hydrogen phosphate ion (HPO42-) supplies phosphorus crucial for energy transfer, root development, and flowering.

The nitrogen content in DAP is approximately 18%, and phosphorus (expressed as P2O5) is about 46%, making it one of the most phosphorus-concentrated fertilizers available in solid form. Unlike urea or ammonium nitrate, which supply mostly nitrogen, DAP combines nitrogen and phosphorus in a single granule, allowing uniform nutrient distribution during soil application. This compound’s pH is mildly alkaline when dissolved, providing an advantage in acidic soils prevalent in parts of East Africa by facilitating phosphorus availability to plants.

DAP’s physical form—as hard, dry granules—is designed for ease of handling, spreading, and blending with other fertilizers. It is compatible with many other fertilizer types but should be applied carefully with due consideration to soil pH and crop nutrient needs to avoid over-application of phosphorus, which can cause environmental runoff issues. Its performance is highly soil-dependent; well-aerated and moist soils enhance nutrient uptake, while drought or poorly drained soils can limit DAP efficiency.

Zenco Systems Ltd sources DAP with consistent quality parameters and offers products suitable for a wide range of crops and soil types common in Kenya, Uganda, Tanzania, and neighboring countries. Bulk sourcing and delivery ensure steady supply for large-scale commercial farms and agricultural cooperatives, complemented by expert consultancy on optimal application rates, timing, and integration into crop nutrition programs.

Applications and Uses of Diammonium Phosphate (DAP) Fertilizer

Soil Fertilization

DAP is primarily applied to soils deficient in phosphorus and nitrogen to replenish these essential nutrients. Its rapid dissolution in soil moisture makes phosphorus immediately available for plant uptake, which is vital during early root development stages. Application rates vary based on soil tests but commonly range from 50 to 150 kg per hectare depending on crop type and soil fertility status. The granular form allows even spreading by hand or using mechanized spreaders, ensuring nutrient uniformity.

Crop Nutrient Supply

By supplying both nitrogen and phosphorus simultaneously, DAP supports critical growth phases in crops such as maize, wheat, and rice. Nitrogen from DAP stimulates leaf and shoot growth, while phosphorus improves root mass and energy metabolism, leading to higher yields. Its use is especially beneficial in nutrient-depleted soils common in East Africa, helping enhance crop vigor and resistance against stress conditions.

Cereal Grain Farming

In cereal grain production, DAP is often a recommended basal fertilizer applied at planting or alongside seed drilling. This practice ensures phosphorus availability from planting through the vegetative stage, optimizing kernel formation and grain filling. Maize farmers in Kenya and Tanzania widely depend on DAP to maximize yields given the phosphorus deficits in many agricultural soils.

Fruit and Vegetable Cultivation

Fruit and vegetable crops benefit from DAP’s phosphorus for root establishment and flowering, while nitrogen encourages leafy growth. Diverse vegetable crops such as tomatoes, onions, and cabbages require balanced nutrient supply early in their growth cycle, making DAP a common choice among horticulturists. It typically forms part of the pre-plant or early growth fertilization strategy.

Plantation Crops

Perennial plantations—such as tea, coffee, and sugarcane—utilize DAP to maintain soil fertility over extended periods. Phosphorus delivered by DAP enhances root system robustness, improving nutrient and water uptake essential to perennial crop health. Its use in these plantations often occurs during replanting or rejuvenation phases.

Looking for alternatives for a specific process? Browse the full Agricultural Chemicals range or ask our technical team which grade fits your application.

Benefits and Advantages

Efficient Dual Nutrient Source

DAP provides both nitrogen and phosphorus in a single, well-balanced fertilizer, reducing the need for multiple products. This dual supply simplifies fertilizer management, saving costs on procurement and application. Farmers get targeted nutrient delivery that supports key growth processes, such as photosynthesis and root expansion, improving overall nutrient use efficiency.

Rapid Nutrient Availability

Thanks to its high solubility, DAP readily dissolves once applied to moist soils, releasing ammonium and phosphate ions almost immediately. This rapid availability is crucial in regions with short growing seasons or unpredictable rainfall, as crops receive nutrients promptly to support early development and growth spurts.

Soil pH Buffering Effect

Upon dissolution, DAP slightly alkalizes the soil environment, which can mitigate acidic conditions common in some East African soils. This buffering improves phosphorus uptake by plants, as acidic soils often bind phosphorus tightly, making it unavailable. Using DAP thus enhances nutrient accessibility and helps maintain balanced soil chemistry.

Adaptable Across Crop Types and Soil Conditions

DAP’s nutrient ratio suits a wide variety of crops and soil types, making it a go-to fertilizer for farmers across Kenya, Uganda, Tanzania, and neighboring countries. Its effectiveness in diverse agroecological zones, from acid soils to loams, supports broader adoption and maximizes return on fertilization investments.

Reliable Supply and Quality Assurance

Sourcing from Zenco Systems Ltd guarantees consistent product purity and specification compliance. Reliable logistics across East African markets ensure timely availability, minimizing crop production delays. This dependable supply chain support strengthens farmers’ confidence and operational planning.

Packaging Information

Diammonium Phosphate (DAP) Fertilizer from Zenco Systems Ltd is supplied in 25kg and 50kg bags suitable for smallholder and commercial farms. Bulk packaging options such as jumbo bags are available for large-scale agricultural distributors and cooperatives. Packaging is designed for ease of handling and storage, maintaining product integrity during transport across Kenya, Uganda, Tanzania, Rwanda, and nearby East African countries. Bulk deliveries are coordinated to optimize shipping efficiency and cost-effectiveness while maintaining product quality.

Standard formats: 25kg bags, 50kg bags, bulk bags

Storage and Handling

Store DAP fertilizer in a dry, cool environment to prevent moisture absorption, which can lead to caking and reduced flowability. Avoid direct contact with incompatible chemicals such as strong acids or alkalis. Use moisture-proof packaging where possible. Containers should be kept sealed when not in use. Given its hygroscopic nature, exposure to open air in humid conditions should be minimized. Shelf life under optimal storage can be several months to a year, but confirm with product batch details. When handling, use gloves and avoid inhalation of dust to reduce irritation risks.

Safety Information

Diammonium Phosphate (DAP) is classified as a low-hazard fertilizer but can cause mild skin and eye irritation upon direct contact. Use protective gloves, eyewear, and dust masks when handling large quantities or during application to reduce exposure. In case of skin contact, wash thoroughly with water. Avoid inhaling dust. For spill cleanup, contain and collect material for reuse or disposal per local environmental regulations. Always consult the Safety Data Sheet (SDS) provided by Zenco Systems Ltd for detailed hazard and emergency response information.

Technical Specifications

GradeConfirm with supplier

PurityConfirm with supplier

Formula(NH4)2HPO4

Packaging25kg bags, 50kg bags, bulk bags

AppearanceWhite crystalline solid

CAS Number7783-28-0

SolubilityHighly soluble in water

Chemical NameDiammonium hydrogen phosphate

Nitrogen ContentApproximately 18%

pH (1% solution)Mildly alkaline, around 7.5-8.5

Storage ConditionsStore in cool, dry, moisture-free environment away from incompatible substances

Phosphorus Content (P2O5)Approximately 46%

Applications

Soil fertilization
Crop nutrient supply
Cereal grain farming
Fruit and vegetable cultivation
Plantation crops

Technical Data Sheet (TDS)

GradeConfirm with supplier

PurityConfirm with supplier

Formula(NH4)2HPO4

Packaging25kg bags, 50kg bags, bulk bags

AppearanceWhite crystalline solid

CAS Number7783-28-0

SolubilityHighly soluble in water

Chemical NameDiammonium hydrogen phosphate

Nitrogen ContentApproximately 18%

pH (1% solution)Mildly alkaline, around 7.5-8.5

Storage ConditionsStore in cool, dry, moisture-free environment away from incompatible substances

Phosphorus Content (P2O5)Approximately 46%

Product Features

- High phosphorus concentration (46% P2O5)
- Contains 18% nitrogen
- White crystalline solid form
- Highly soluble in water enabling rapid nutrient release
- Mildly alkaline pH improves nutrient availability
- Suitable for varied soil types common in East Africa

Industries Served

- Agriculture
- Horticulture
- Plantation farming
- Agrochemical distribution
- Crop production and management

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Frequently Asked Questions About Diammonium Phosphate (DAP) Fertilizer

What exactly is Diammonium Phosphate (DAP) fertilizer used for?

DAP fertilizer provides plants with essential nitrogen and phosphorus which support root development, energy transfer, and overall crop growth. It is mainly used in soil fertilization for cereal grains, fruits, vegetables, and plantations to improve yields.

How should Diammonium Phosphate (DAP) be applied to crops?

DAP is typically applied as a basal fertilizer either at planting or just before planting. Application rates depend on soil testing but generally range between 50 and 150 kg per hectare, adjusted to crop nutrient requirements and soil fertility.

Is Diammonium Phosphate (DAP) suitable for all soil types found in East Africa?

DAP adapts well across a range of soils common in Kenya, Uganda, Tanzania, and Rwanda, including acidic and loamy soils, due to its alkaline reaction after dissolution which enhances phosphorus availability.

Do you supply Diammonium Phosphate (DAP) fertilizer outside Kenya?

Yes, Zenco Systems Ltd supplies DAP to Uganda, Tanzania, Rwanda, and other East African countries including Burundi, South Sudan, Ethiopia, Somalia, and the Democratic Republic of the Congo, with tailored logistics to ensure timely deliveries.

What packaging sizes are available for DAP fertilizer?

DAP is available in 25kg and 50kg bags, as well as bulk jumbo bags for large-scale needs. Packaging is selected to facilitate transport and storage across East African agricultural markets.

What safety precautions should be taken when handling DAP fertilizer?

Wear protective gloves, eye protection, and a dust mask when handling DAP. Avoid inhaling dust or prolonged skin contact. In case of contact, wash the affected area thoroughly and seek medical advice if irritation persists.

What is the shelf life of Diammonium Phosphate (DAP) fertilizer stored properly?

When stored in a cool, dry place away from moisture, DAP can maintain quality for several months to one year. However, always confirm shelf life with the supplier and check for signs of caking before use.

Can DAP fertilizer be mixed with other fertilizers?

DAP is compatible with many fertilizers but care must be taken to avoid mixing with strongly acidic or alkaline products that could cause chemical reactions or reduce effectiveness. Confirm compatibility with the supplier or an agronomist.