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Message: Re: ThermoPotash Compares Favourably with KCl in Nutrient Availability Test

G_M
Aug 11, 2010 09:36AM

G_M, this was an excellent release outlining the strengths and advantages of the Verdete.

Been looking at the news release and believe that the Thermopotash will have much more positive effects on growth than initially thought. Why, seems the potash tests have revealed that...ThermoPotash is also a source of calcium and magnesium, two essential macronutrients not available in KCl, Repeat that...not available in KCl. What are the benefits of having Calcium and Magnesium within a slow release fertilizer??

As stated in the release the compounds are macronutrients, nutrients not in KCI. These compounds are vital for root growth and photosynthesis. Here is some info for the minds.

CALCIUM
Calcium: is an extremely important mineral
in plant nutrition. Many soils, particularly in
humid regions, contain this element in amounts
so small that plant growth is limited. One of the
primary roles assigned to calcium in the plant is
the key role it plays in the cell walls. Calcium is
also important in root development, since short
roots are observed on calcium deficient plants.

MAGNESIUM
Magnesium is also absorbed by plants in
the ionic forms. This absorption takes place
from the soil solution or possibly by contact
exchange.
Magnesium plays a vital role in photosynthesis,
as it is. the central atom in the
chlorophyll molecule. It is involved in many
enzyme reactions. It reacts with phosphorus in
uptake and transport. Magnesium is also quite
mobile in the plant, and yellow deficiency
symptoms fi rst appear on the older leaves, as it
moves to the younger plants.
SOURCE OF MAGNESIUM
Magnesium in the soil originates in the
decomposition of rocks containing minerals
such as brotite, dolomite and olivine. Upon
decomposition, these minerals set magnesium
into the surrounding soil solution. Once in the
soil sol ution, magnesium may be 1) leached, 2)
absorbed by living organisms, and 3) adsorbed
by surrounding particles.
MAGNESIUM IN THE SOIL
The coarse-textured soils of the humid
region are those in which a magnesium deficiency
is generally manifested. These soil types
usually contain small amounts of exchangeable
magnesium. This condition is aggravated by the
addition of large quantities of fertilizer salts
which contain little or no magnesium. The
magnesium in the soil is released by ion
exchange when these fertilizers are added; the
larger quantities of chlorides and sulphates
speeds its removal by leaching.
It also helps activate many plant enzymes needed for growth.
Going forward this stock will Rock...green rock.

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