I've read passing references to a product called Sea-90 which is an evaporated sea water that apparently contains a wide array of minerals. I'd be very curious to get anyone's first-hand experience and opinion on this. Mostly for fruittrees, veggies. One river birch with terrible zinc deficiency and something called "mouse ear."
I'm going to post the same question in at least one other place here since soil is just one aspect of its performance.
Seawater has all the minerals in it. I do a 10 part water to 1 part seawater about every other year and dump it on my fruit trees. I can't give any big claims, but I do believe in the merits of using it.
I spread some on my garden and pastures 5 years ago. I noticed the sheep preferred to graze on the parts of the pasture where I had spread the salt. In the garden, I spread too much salt on some parts of the garden, which set back the strawberries and Jerusalem artichoke for a season until rain and irrigation diluted the salt. Since then I've noticed the flavor of the vegetables harvested has been improved. I've also used seaweed emulsion over the years which provides much of the same micronutrients that are found in Sea-90.
I discovered Sea-90 two years ago, got in touch with the company and have been using it ever since.
Sea-90 contains approximately 95 minerals and it takes only a half cup per tree if you are using it as an amendment.
This stuff is great, no longer do I have any defects in my soil mineral wise, fruits taste is so much better.
I use it on all our vegetables, herbs, fruit trees, grape vines and even give it as a free choice supplement to our hogs.
I spread it, mixed with the pasture seeds when I add things to the pastures, the hogs go for those areas first so now I always mix a half cup with new seed and broadcast the mix.
When I make a new garden bed I sprinkle a cup full all over the soil.
You can even treat whole fields or entire pastures for improved nutrition and palatability.
The dog's water gets a half teaspoon per 5 gal. they love it and do much better in the heat now.
We even use it in the kitchen and on the table.
It really isn't as expensive as you might think, when you start writing down all the ways you can use it.
You can even drink this stuff for a body boost.