THE PROOF IS IN THE POTASHThe Eltopia, Washington replicated trial

investigated potassium source impact on

both new and established stands of alfalfa.

In both variations, Protassium+ delivered

higher yields over MOP (muriate of potash).

In new alfalfa stands,

Protassium+ delivered:

• A 600 lb per acre yield advantage vs. MOP

• A 400 lb per acre yield advantage vs.

MOP + Sulfur

• Better stand establishment and

first cutting

A 2012 series of field trials were conducted in Eltopia, Washington to determine which of the two most commonly used

potassium sources had the greatest impact on alfalfa.

In established alfalfa stands, Protassium+

demonstrated more than a one ton per

acre yield over MOP.

METHODOLOGYBoth new and established stand alfalfa

field trials were replicated four times and

involved four treatment variations:

• 200 lb. of K2O as Protassium+ (sulfate of

potash) per acre

• 200 lb. of K2O as MOP (muriate of potash)

per acre

• 200 lb. of K2O as MOP+ sulfur (equal to

the amount in Protassium+) per acre

• 0 lb. of K2O (control)

Optimizing Alfalfa with Protassium+™ Premium Sulfate of Potash

A L F A L F A + K

1-800-743-7258 | PROTASSIUMPLUS.COM

Protassium+ (SOP) significantly increased yield in new and established alfalfa stands.

4.5

4.3

4.1

3.9Protassium+

4.5

UntreatedCheck

4.0

PotassiumChloride

(MOP)

4.2

MOP+S

4.3

New Alfalfa Stands Yield(Tons Per Acre)

7.5

6.5

5.5Protassium+

7.3

UntreatedCheck

6.0

PotassiumChloride

(MOP)

6.1

MOP+S

6.1

Established Alfalfa Stands Yield(Tons Per Acre)

{ }

RESULTS AND CONCLUSIONSIn both variations, alfalfa plants treated

with Protassium+ experienced significant

increase in yield per acre.

From the results, it can be concluded

that the high chloride found in MOP

contributed to lower yields. Salt, like that

found in high levels in MOP, contributes to:

• Poor germination

• Nutritional imbalances

• Seedling injury

• “Tip burn”

• Stunted root and shoot growth

Protassium+ is virtually chloride free and

has the lowest salt index per unit of K2O

among all major sources of potassium.

Plus, it contains 17 percent sulfate sulfur,

which helps support a variety of plant

functions.

The results of the field trial clearly

show that choosing Protassium+ as a

potassium source contributes to greater

yield, higher forage quality and more

revenue for growers.

To learn more about how Protassium+ premium sulfate of potash benefits your alfalfa and your bottom line, please visit Protassiumplus.com.

Deficiency photo courtesy of International Plant Nutrition Institute, IPNI Crop Nutrient Deficiency Image Collection, 2011.

Disclaimer: Field trial results were achieved through accurate and controlled methodologies. Soil type, weather, and growing strategies may impact future results.

Adequate K is vital for promoting

healthy alfalfa plants.

Calculate the revenue benefit of Protassium+ for an established stand.

Know your K uptake in a flash. Visit the Protassium+ premium sulfate of potash Alfalfa Uptake Calculator page or download the free app. Go to protassiumplus.com/knowledge-center and click “Tools”.

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Your alfalfa acres.XIncreased tons per acre from using Protassium+ vs. MOP

Total ton increase from using Protassium+ vs. MOPXCurrent market price per ton

Increased gross revenue opportunityfrom using Protassium+ vs. MOP

1.5

$

$

Your Sample Revenue Calculation - Established Stand

Growing one ton of alfalfa removes 60 pounds of K2O from the soil.{ }