Search Results for: Shells of molluscs
will rarely cause any issues. there already tends to be enough soil calcium in much of colorado, montana, northern iowa/southern minnesota, and parts of texas, but most soils need more. ten pounds of calcium carbonate is going to supply about pounds of calcium. by the way, it's also a very important
well, maybe. let's start with eggshells. many people have them, so that's a good beginning. they're mostly calcium carbonate, which is perfect. the only problem is that they're rather small. there's about grams of calcium in an egg shell, so to get that pounds of calcium, you would need about egg shells...
https://www.smilinggardener.com/organic-fertilizers/dry-fertilizer/