calcium, and sulfur. Plant growth can suffer if exposed to too much nitrogen. Many lawn fertilizers contain a high amount of nitrogen, often a level that's too high for most gardens. As a result, ...

Coffee grounds contain micronutrients such as calcium ... add a nitrogen fertilizer such as composted manure, alfalfa meal, or grass clippings to their gardens to provide garden plants with ...

Stephanie Stephenson, author of Rose Gardening ... nutrients like potassium and calcium into the water, which creates an inexpensive, homemade liquid fertilizer. Some gardeners swear by it ...