Gypsum Flour Pellets
Gypsum Flour pressed into pellets for ease of mixing.
These Gypsum Pellets will dissolve in water back to a very fine rock dust.
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4.5 lbs (6 - 8 Cups) - Small Bag = $3.92
15 lbs (22 - 26 Cups) - Large Bag = $8.27
50 lb Bag (75- 80 Cups) = $16.16
Gypsum, in addition to prevention and correction of sodicity, includes: greater stability of soil organic matter, more stable soil aggregates, improved water penetration into soil, and more rapid seed emergence.
For many reasons gypsum can be considered to be a farmer's best friend. Some of the reasons are multiple and interrelated
Many Gardeners are using Dolomite lime thinking that it will add calcium and magnesium. Problem being that it is way to high in magnesium and also virtually unavailable to the plants for a number of years. The ONLY reason nurseries and farms use Dolomite Lime is to adjust the PH up typically when using Peat Moss.
A quote from "The Ideal Soil: A Handbook for The New Agriculture"
It's still a little-known fact that the Calcium to Magnesium ratio determines how tight or loose a soil is. The more Calcium a soil has, the looser it is; the more Magnesium, the tighter it is, up to a point. Other things being equal, a high Calcium soil will have more Oxygen, drain more freely, and support more aerobic breakdown of organic matter, while a high Magnesium soil will have less Oxygen, tend to drain slowly, and organic matter will break down poorly if at all. In a soil with Magnesium higher than Calcium, organic matter may ferment and produce alcohol and even formaldehyde, both of which are preservatives. If you till up last years corn stalks and they are still shiny and green, you may have a soil with an inverted Calcium/Magnesium ratio. On the other hand, if you get the Calcium level too high, the soil will lose all its beneficial granulation and structure and the excessive Calcium will interfere with the availability of other nutrients. If you get them just right for your particular soil, you can drive over the garden and not have a problem with soil compaction.