Spent coffee grounds improve the nutritional value in elements of lettuce (Lactuca sativa L.) and are an ecological alternative to inorganic fertilizers - ScienceDirect
10 Smart and Unusual Uses For Coffee Grounds - Farmers' Almanac - Plan Your Day. Grow Your Life.
Tips for Composting and Gardening with Coffee Grounds | Gardener's Path
Whatever You Do, Don't Put Coffee Grounds in Your Garden | Latest Science News and Articles | Discovery
A Common-Sense Guide to Using Coffee Grounds in the Garden
Whatever You Do, Don't Put Coffee Grounds in Your Garden | Latest Science News and Articles | Discovery
How to Use Coffee Grounds for Plants in Your Garden
A Common-Sense Guide to Using Coffee Grounds in the Garden
Tips for Composting and Gardening with Coffee Grounds | Gardener's Path
Using Coffee Grounds for Plants: Coffee in Compost and Fertilizer
Using Coffee Grounds for Compost and Fertilizer | Ground to Ground