What is Magnesium Sulfate?

A highly soluble and rich source of magnesium and sulfur.

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Magnesium sulfate is an inorganic salt. It is often referred to as Epsom salt in the heptahydrate sulfate form (epsomite). 

Many know about Epsom salt from its use in the beauty and health industry as a component of bath salts used to soothe sore muscles. However, Epsom salt is also used in Agriculture and can be a very economical way to improve crop production through improved availability of the crucial ingredient to photosynthesis, Magnesium.  

What can Magnesium Sulfate do for my crops?

Magnesium Sulfate is an excellent source of available magnesium which is often referrered to as the "powerhouse behind photosynthesis". Magnesium is vital for plant growth and health as it serves to metabolize carbohydrates.  Its use is associated with a fast "green-up" of the plant because of its role in enabling photosynthesis, the resulting product of which is chlorophyll (the green).

 

Magnesium Sulfate can be used to increase magnesium or sulfur content in soil and can also be foliar-applied to magnesium-gobbling crops, such as potatoes, roses, tomatoes, lemon trees, carrots, and peppers. The advantage of using magnesium sulfate over other forms of magnesium such as dolomitic lime is its high solubility. This makes it a very convenient addition to foliar spray solutions. Solutions of magnesium sulfate are also nearly neutral, compared with alkaline salts of magnesium found in limestone. This means that the use of magnesium sulfate will not significantly change the soil pH.

 

What's in Magnesium Sulfate?

Magnesium Sulfate Heptahydrate powder is delivered in a highly-soluble and easy to use format that contains 48.3% magnesium sulfate and 12.7% Sulfur.

 

How should I use Magnesium Sulfate?

Magnesium Sulfate is applied as a foliar when a magnesium deficiency is evident. Lighter colored leaves and leaf outlines that are dry and brittle can be signs of a magnesium deficiency. To apply magnesium sulfate, the salt crystals will need to be dissolved. These crystals are highly soluble for ease of application. The rate of application should be determined based on the results from tissue analysis but, in general, rates are usually between 3 - 5 lbs per acre, dissolved into 75-100L water.

   

The products we offer are designed to be used together as part of a full-year nutritional program. For more information on use, application rates and timing for specific crops contact Agriculture Solutions today.

 

 

  

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