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Coffee grounds & egg shells add nutrients to the soil, keeps away slugs & snails, & (when mixed into the soil) is a good environment for earthworm activity. Egg shells are rich in calcium.

Coffee grounds are good for acid-loving plants. It also helps the soil retain moisture when it is mixed into it.

A lab test analysis showed that: "the grounds provide generous amounts of phosphorus, potassium, magnesium, and copper.
They also release nitrogen into the soil as they degrade."
The full report is here:
http://www.sunset.com/sunset/garden/edible/article/0,20633,1208232,00.html

Encircling your plants with coffee grounds & eggshells makes a barrier to repel snails & slugs, & works as a slow release fertilizer. If you are into vermi-posting, feed a little bit to your worms
The grounds are acidic so mix a tablespoon of garden lime into a five pound bag before you dig them into your garden or put them on the compost pile. In the garden, mix at a rate of five pounds per three square feet. For composting, mix at a ratio of five pounds per three cubic feet of yard waste.
http://www.walterreeves.com/tools_chemicals/article.phtml?cat=22&id=86

Hope this is helpful.

2007-09-03 08:20:18 · answer #1 · answered by ANGEL 7 · 2 0

Egg shells provide calcium to your garden while coffee grounds provide a high content of nitrogen to your garden. Calcium and nitrogen supplements (egg shells and coffee grounds) will help keep your garden soil and plants healthy.

2007-09-03 08:11:49 · answer #2 · answered by sknymnie 6 · 1 0

Coffee grounds is a good source of nitrogen -acid loving plants- like Hibiscus,Hydrangeas
Roses and many other plants,also good for earthworms. Eggshells good in Calcium you can brake up the shells and put around plants to help kill slugs and snail

2007-09-03 13:01:12 · answer #3 · answered by Larry B 1 · 0 0

i understand the egg shells are good for calcium and lime interior the soil, however the coffee grounds ? All i understand grew to become into Dad had computer virus beds for turning out to be night crawlers for fishing. He placed coffee grounds interior the computer virus beds. It truly makes the worms get busy. I additionally understand that worms burrowing on your backyard is actual good for the soil. So perhaps in that experience the coffee grounds must be good on your soil.

2016-12-16 10:23:10 · answer #4 · answered by ? 4 · 0 0

Coffee grounds act like a mulch plus add nutrients , egg shell,s add calcium,

2007-09-03 08:09:24 · answer #5 · answered by William B 7 · 0 1

Angel said it all...nice answer! Just watch for ants to invade. Be ready with some type of bug killer just in case...

2007-09-04 04:13:00 · answer #6 · answered by acksherly 3 · 0 0

it is called a compost... the soil absorbs the nutrients from food materials.... you can add many things to a compost you have to allow for the material to breakdown before using in your garden....

2007-09-03 08:09:34 · answer #7 · answered by MJ 6 · 0 1

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