Benefits of organic fertilizer for plants
An invaluable guide to all gardeners and farmers is a soil test . A soil test will indicate when and how to increase applications of fertilizer. First, these tests will show what elements are needed most. Then future tests will show how your fertilizing program is working. With the organic method of gardening, you still need to use the numbers to select the organic materials for your garden. When you want to add nitrogen to your soil, you can take your pick of manure (fresh or dried), homemade or commercial compost, sludge, and vegetable meals. Due to the high nitrogen content of blood meal and dried blood 12 to 15, these materials should be used more sparingly. For phosphate, you may choose from rock, bone meal, dried blood, vegetable meals, and manures. Potash sources are granite dust, wood ashes, kelp meal , and many plant residues. These materials can all be worked into the soil in spring or fall. They can be top-dressed around growing plants, used as a mulch, or added to the compo...