One day it might be one number and the next day another number. Comfrey’s NPK profile is 1.8- .5-5.3. Compost tea’s profile is anywhere from .5-.5-.5 to 4-4-4 depending on what is used. Kelp powder’s profile is 1.5- .5-2.5. As you can see, comfrey has a good profile for garden use. It also contains B-12 so it is a rich food source for A mature Orange tree needs 450 to 680 grams of nitrogen every year. Therefore, apply nitrogen fertilizer at 450 grams per annum of tree age. Apply slowly released nitrogen fertilizer solution, such as ammonium nitrate, ammonium sulfate, or urea, thrice a year. Once in early spring, early summer, and early fall. Organic Fertilizer . Organic fertilizers come from living things, like animal manure, fish emulsion, leaf molds, and non-living things, like rock phosphate or greensand. Fertilizers from organic matter not only supply essential nutrients to flowers, but they also improve soil tilth. There are several advantages to using organic fertilizers: Seedling: Minimal or no fertilizer. You may want to wait until your plants have sprouted a few leaves before administering the first dose of primary NPK fertilizer. Vegetative: For Week 1, use an NPK ratio of 2:1:2 — that's two parts nitrogen to one part phosphorus to two parts potassium. By Week 7, consider increasing the NPK ratio to 10:5:7 Innova organic fertilizer packs a 7-1-2 NPK ratio and amino acids in a slow-release formula for regular lawn maintenance. It contains no biosolids, manure, composted waste products, or animal parts. A general all-purpose use organic fertilizer usually has a ratio of 5-5-5 NPK. It will maintain and support your plants' balanced nutrition. Just make sure to buy an organic fertilizer containing not more than 10% of each of the three nutrients. Organic fertilizers should be gentle so that they won't over-nourish or even kill the plant. .

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