UAPG·Secondary Nutrients
Magnesium sulphate 7-hydrate
Magnesium sulphate 7-hydrate — a crystalline water-soluble sulphur-magnesium fertilizer MgSO4·7H2O with 16% MgO, without chlorides and sodium, for root application.
Main advantages
- MgO 16% — magnesium together with sulphur
- Without Cl− and Na+ — per the seller
- Calcium fertilizers and phosphorus — do not mix
- Acid soils — lime first
- Add to urea in the tank — at foliar feeding
Overview
About this product
Magnesium sulphate 7-hydrate — a crystalline sulphur-magnesium fertilizer MgSO4·7H2O with a mass fraction of MgO of not less than 16±1%. It dissolves easily and completely in water, contains no Cl− and Na+ salts or heavy metals, and is suitable for all irrigation systems.
It is applied before ploughing, cultivation, sowing and after emergence, the main application period is spring. In late autumn it is applied to a limited extent, because mobile magnesium and sulphur can wash out over winter.
On sandy and acid soils liming is carried out before application. It mixes with water-soluble fertilizers, except calcium ones, and is not combined with phosphorus nutrition.
Application
Rate, timing and crops
- Timing
Main application period is spring: before ploughing, cultivation, sowing and after emergence
In late autumn to a limited extent: magnesium and sulphur can leach over the autumn-winter period
- Method
All root application methods
All irrigation systems
- Conditions
On sandy and acid soils apply with care; carry out liming before application
On neutral soils apply only for crops with a high magnesium need: oilseed rape, maize, oats, potato, cabbage, sunflower, sugar beet
- Tank mix
Mixes with all water-soluble fertilizers, except calcium ones
Do not combine with phosphorus nutrition: the elements block each other
- Crops
- Oilseed rapeMaizeOatsPotatoCabbageSunflowerSugar beetCerealsFruit and berry cropsSoybeanVegetable crops
Figures from the manufacturer, UAPG. Source page
Specifications
Nutrient composition
| Brand | UAPG |
|---|---|
| Type | Secondary Nutrient |
Composition
| |
| Form | Crystalline |
| Application | Soil, Root application, Foliar, Fertigation |
| Target Crops | Rapeseed, Corn, Oats, Potato, Cabbage, Sunflower, Sugar Beet, Cereals, Fruit crops, Berry crops, Soybean, Vegetables |
| Chloride-free | Yes |
| Origin country | China |
Vendor offers
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Questions & answers
What farmers ask most
- Rates depend on crop, prior history, soil analysis and nutrient status. An agronomist sets the dose from this product's label — not an NPK-complex template of 150–300 kg/ha.
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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.