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, ...

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 ...

Want healthier plants and bigger harvests? The secret is in your soil. Discover the minerals that can transform tired dirt ...

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 ...

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Q: I’ve attached photos of two long-needled evergreens in our backyard. During the past three to four weeks, the needles started to turn brown and drop off the trees. Any thoughts about this sudden ...

Sir, – On behalf of the four major gypsum board and plaster manufacturers in Britain and Ireland, the Gypsum Products Development Association would like to respond to Dr Gerard Murphy and Dr Brian ...

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 ...