Gypsum gave small plants and quick death

by jac
(90290,CA, USA)

I added gypsum to garden soil and since then the plants don't germinate well nor do they grow well. They are smaller than usual and die quickly.

What might be going on?

Comments for Gypsum gave small plants and quick death

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Sep 26, 2017

Why add gypsum
by: Cy

People often add gypsum to clay soil to supposedly break it up. It's also said to help remove salt from soil if you happen to be by the coast. Gypsum is calcium sulfate, so like all minerals, if you add one sort, you better make sure you're not stopping other minerals from helping plants grow. I've never added gypsum because I believe you might be upsetting the soil balance. Compost is your way to balance soils. I think you'd better get a soil test done.

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