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Thio-Knight |
Starter & Foliar Liquid Fertilizer |
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What is
Thio-Knight?
Thio-Knight is Nutra-Flo’s brand of ammonium thiosulfate
12-0-0-26. The difference between Thio-Knight and other
conventional ammonium sulfates is that Thio-Knight contains
two forms of sulfur; half is sulfate sulfur which is available immediately to the plant
and the other half releases over time and feeds the plant throughout the growing season.
Thio-Knight
is a clear liquid that mixes easily with other liquid fertilizers.
It is a non-pressure,
water-based solution that is odorless and noncorrosive. Thio-Knight has handling and
storage characteristics similar to nitrogen solution. Thio-Knight
can be applied any time you apply fertilizer-weed ‘n’ feed, sidedress,
irrigation, injection, surface banding and liquid starter. |
| Thio-Knight protects
surface-applied urea-type nitrogen. |
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| Thio-Knight protects
ammoniacal nitrogen in liquid starter. |
Thio-Knight Reduces Nitrogen Loss Two Ways
1) Nitrification Inhibitor As temperatures
rise above 50ºF in the spring, the soil comes alive with bacteria that begin converting
ammonium nitrogen into a nitrate form of nitrogen — this is called nitrification. It
is possible to nitrify 90% of ammonium N within two weeks at 60ºF. Nitrification
effects fertilizer-applied nitrogen. Even under ideal conditions only 50 to 70% of applied
nitrogen fertilizer is utilized by the plant. The rest is lost to leaching and
denitrification.
Thio-Knight
slows the nitrification process by inhibiting the bacterial action that converts ammonium
to nitrate. In other words, Thio-Knight is a nitrification
inhibitor.
University research shows
that a 10% (volume-to-volume) mixture of Thio-Knight and 28%
N-solution can reduce nitrification by 64%. This would also add enough sulfur to satisfy
many soil test recommendations. |
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| 2) Urease Inhibitor Thio-Knight also reduces the
effects of urease enzymes that attack surface-applied, urea-type nitrogen fertilizers.
When urea is applied on the soil surface, a soil enzyme called urease will decompose the
urea into ammonia — a process called hydrolysis. A portion of ammonia can then be
lost by evaporation into the atmosphere. The same university
research shows that Thio-Knight can reduce hydrolysis by 50%.
By reducing nitrogen loss Thio-Knight improves nitrogen
efficiency and prolongs the nitrogen supply to feed the crop throughout the growing
season.Thio-Knight Improves Nutrient
Availability Thio-Knight has mild to strong
acidifying effect on soil. This lowering of soil pH unlocks important nutrients like
calcium, zinc, magnesium and potassium to make them more available. Since Thio-Knight protects nitrogen in the ammonium form longer,
phosphorus availability is increased — this is especially important for increasing
the effectiveness of liquid starters. The Importance of Sulfur Sulfur
is considered the fourth major nutrient. It is a necessary part of any fertilizer program
because of its importance in the production of plant protein. In a recent survey, 37
states reported sulfur-deficient soils: •Heavy cropping has
depleted soil sulfur reserves. •Modern high-analysis
fertilizers contain no residual sulfur. •Stricter pollution
control laws have limited the amount of airborne sulfur.Thio-Knight Makes Economic
Sense Research has shown that in most cases there is
an economic return when sulfur is applied to crops grown in sulfur-deficient soils. The
cost of mixing Thio-Knight and 28-0-0 solution at the proper
ratio is slightly higher than 28-0-0 alone, but the agronomic advantage of protected
nitrogen and the yield-boosting power of sulfur more than offsets the extra cost! •Prevents
loss of ammoniacal nitrogen and improves phosphorus uptake •Reduces
nitrogen loss in surface-applied nitrogen applications •Ideal
for sidedress application—provides nitrogen throughout the entire growing season •Provides
the necessary sulfur for plant protein formation and maximum growth |
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Liquid
Starter Amount to add: 4.0% sulfur as Thio-Knight
Benefits: reduces nitrogen loss, keeps nitrogen in ammoniacal form,
enhances phosphorus uptake, supplies sulfur |
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Root
Zone Banding Amount to add: 5 to 10 pounds sulfur as Thio-Knight per acre or 10-to-1, N-to-S ratio
Benefits: reduces nitrogen loss, keeps nitrogen in ammoniacal form,
enhances phosphorus uptake, supplies sulfur |
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Fertilizing
Pastures Amount to add: 5 to 10
pounds sulfur as Thio-Knight per acre Benefits: slows nitrification of nitrogen, slows urea hydrolysis, supplies sulfur |
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Sidedress
Amount to add: 5 to 10 pounds
sulfur per acre as Thio-Knight Benefits: reduces nitrogen loss, keeps nitrogen in ammoniacal form, supplies sulfur |
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FertigationAmount to add: 3 to 10 pounds
sulfur per acre as Thio-Knight (minimum 10-to-1, N-to-S
ratio) Benefits: reduces nitrogen loss, keeps nitrogen in ammoniacal form, supplies sulfur |
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