UAPG·Macronutrients
Diammophos, DAP NP 18:46 (diammonium phosphate)
Diammophos, DAP NP 18:46 — a granular nitrogen-phosphorus fertilizer with 18% nitrogen, 46% total phosphates and 2.5% sulphur for basal, pre-sowing and in-row application.
Main advantages
- N 18% and phosphates 46% — nitrogen and phosphorus together
- Alkalizes solution at the granule — phosphorus on acid soils
- Rows on chernozems — especially solonetzic ones
- Light soils — nitrogen losses up to 25%
Overview
About this product
Diammophos, DAP NP 18:46 — a complex granular nitrogen-phosphorus fertilizer: total nitrogen 18±1%, total phosphates 46±1%, sulphur not less than 2.5±0.4%, water not more than 1.8%, pH 6.0–7.2. It is used for basal and pre-sowing application and foliar feeding during the growing season; the seller calls it a "spring" phosphorus fertilizer.
Per the seller, diammophos is also effective on acid soils, because during dissolution it temporarily alkalizes the solution around the granule. It is applied in rows on chernozems, especially solonetzic ones.
On light soils and irrigated fallow, rates are calculated precisely: losses of nitrified nitrogen can reach 25%.
Application
Rate, timing and crops
- Timing
Autumn, spring
Foliar feeding throughout the growing season
- Method
Basal and pre-sowing application
In-row application, especially on solonetzic chernozems
- Conditions
On light soils and irrigated fallow fields calculate rates precisely: losses of nitrified nitrogen can reach 25%
Also effective on soils with high acidity
- Crops
- RicePotatoTomatoesGrapesCerealsMaizeWinter oilseed rapeSunflowerFruit and berry cropsSoybeanSugar beetVegetable crops
Figures from the manufacturer, UAPG. Source page
Specifications
Nutrient composition
| Brand | UAPG |
|---|---|
| Type | Phosphorus |
Composition
| |
| Form | Granular |
| Granules 2 to 5 mm, not less than | 95% |
| Granules under 6 mm | 100% |
| Static granule strength, not less than | 3 MPa |
| pH | 6.0–7.2 |
| Application | Soil, Root application, Foliar |
| Target Crops | Rice, Potato, Tomato, Grapes, Cereals, Corn, Winter rapeseed, Sunflower, Fruit crops, Berry crops, Soybean, Sugar Beet, Vegetables |
| Origin country | Tunisia |
Vendor offers
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Questions & answers
What farmers ask most
- Rates depend on crop, prior history and soil analysis. Urea and other straight nitrogen grades are not an NPK complex: a cereal ballpark is often 100–250 kg/ha of product, but the exact dose is an agronomist's call.
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Product specifications are compiled from publicly available manufacturer sources and are provided for guidance only — confirm all details with the vendor before purchase. Brand names, logos and trademarks are the property of their respective owners; a listing on ADAM does not imply affiliation, sponsorship or endorsement.