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["Alan Haigh" <alandhaigh@gmail.com>]

I am in the Northeast and in the many years I have dealt with hundreds of sites and soils I have always been able to deal with pH issues with either the addition of lime or sulfur.  I only rarely run into base soils and when I have it is always the result of a lot of native limestone in the soil.

 

I have been hired as a troubleshooter recently at 2 sites where testing reveals soils that are very low in calcium, magnesium and manganese andsodium, but high in most other tested minerals.  The pH at both sites is around 7.6.  Because measured sodium is low so I'm guessing the soils may be sodic.  The soils are medium course, without excess clay and have a good amount of organic matter.

 

On one of the sites they are trying to modify for blueberry and strawberry production on the other mixed vegetables (home orchards and veg gardens for tripple digit millionaires).  Any suggestions, especially amending proportions per 100 sq.ft?

 

Does gypsum supply any magnesium as does dolomitic lime?