Magnesium Plus

An inorganic liquid formulation containing magnesium, manganese, nitrogen and sulphur.

Most crops including cereals, oilseed rape and potatoes, sugar beet, legumes and grassland.

To correct nutrient deficiency, and to boost grain yield and quality in wheat.

Pack Sizes
10, 20, 1000 litres

Analysis w/w w/v
Nitrogen (N) 6.9% 9.5%
Magnesium (MgO) 9.3% 12.8%
Sulphur (SO3) 2.6% 3.8%
Manganese 1.4% 2.0%


Magnesium is an element which is essential for a number of plant functions.

Magnesium plays a major role in the process of photosynthesis and it is also involved with a number of enzyme systems.

Magnesium is highly mobile within the plant and because of this the older leaves will generally be the first to show any deficiency symptoms.

Magnesium Deficiency
Magnesium deficiency affects many crops including cereals, oilseed rape, potatoes, sugar beet, vegetables and grassland.

Soils with high levels of potassium, calcium and nitrogen may inhibit the uptake of magnesium. Low pH will also reduce the availability of magnesium to the crop. As magnesium is associated with chlorophyll and photosynthesis, the first symptom of deficiency is generally a yellowing of leaf tissue.

Magnesium deficiency will seriously affect crop growth, quality and yield.


Use Magnesium Plus when deficiency is diagnosed or suspected, to boost yield and quality in wheat at ear emergence. Foliar uptake will be enhanced by the addition of NA13¹ unless already in tank mix with a pesticide.

Apply 1.25-5 l/ha, in a minimum of 200 l/ha water.

The spray tank should be filled with half the required water. If applicable, add the required amount of NA13 to the water before the Magnesium Plus. After shaking the container, measure the required amount of Magnesium Plus and add to the tank whilst maintaining constant agitation. Add remaining water to correct dilution and spray. 


Do not apply in tank mix with pesticides when crop is showing deficiency symptoms, is under stress, or in adverse weather conditions.

¹ NA13 is an adjuvant designed to help with improved adhesion, deposition and penetration of the spray solution on the leaf surface. NA13 should be added at 0.1% of the spray volume, e.g. 100 ml in 100 litres of water. Maintain agitation and apply immediately after mixing.


Turf and Amenity

Magnesium plays a major role in the process of capturing sunlight and converting it into healthy growth.

It is highly mobile within the turf leaves and as a result, older leaves tend to show loss of colour and other symptoms of deficiency. Magnesium also plays a key role in moving sugars from the leaves to feed the roots.

Most rootzones are naturally low in magnesium and application of some magnesium fertilisers can increase soil pH, to the detriment of sward composition.

Magnesium Plus is formulated with manganese, nitrogen and sulphur to provide a complete feed which maximises the uptake of magnesium. 

When to use How much to use Comments
When magnesium is required 125ml/green, 2.5 litres/ha Repeat as required


HORTICULTURE - foliar products for horticulture

AMENITY - foliar products for turf and amenity





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