I saw a study done once on strictly sea salt alone and I’m a believer something as inexpensive as salt water in small quantities is great for the garden soil. In large quantity it kills plants. It’s very likely many are deficient in trace minerals like boron as well. These things are all very inexpensive. If you apply shrimp shells to your garden do I believe it’s beneficial ? Yes and like lobster shell a few dollars yes ofcourse! Bone meal is equally very good or better at supplying trace minerals as well so use both ofcourse. Do I believe in spending lots of money? No I have bought very expensive powders and their are often cheaper ways like I mentioned.
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