There are some misconceptions surrounding how we deal with soil when gardening, and I thought I’d discuss a few in this week’s column: to add, or not to use, gypsum; dealing with dense clay; and ...

Gypsum is a naturally occurring mineral that has been used in the United States since Benjamin Franklin first applied ground raw gypsum, called land plaster, on his soils. Today, as Franklin did then, ...

The availability of Ca from different levels of gypsum and calcium carbonate in a non-saline sodic soil has been investigated. Different levels of tagged gypsum (Ca⁴⁵SO₄. 2H₂O) and calcium carbonate ...

Q: We’ve been in our new house for our second spring. It has been very difficult getting fescue to grow from seed, so we’re considering Bermuda sod. A friend suggested putting gypsum down with the ...

Q: We grow tomatoes in a little raised bed and have always used garden lime in the past. I keep hearing about using gypsum for calcium, but I worry that it will make the soil more acid. Sylvia Adcock ...

You should never use either one without specifically documenting a reason. Gypsum has been used in the past to improve the drainage of clay soils, and lime is used to treat overly acidic soils. Gypsum ...