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Reference: Organic Fertilizers
There’s a big difference between organic and chemical fertilizers. We can collect organic fertilizers from animals and plants, which have undergone a natural process of decomposition. Due to the activity of beneficial bacteria and insects, organic fertilizers contain essential plant nutrients as well as abundant amounts of micronutrients.

Chemical fertilizers are inorganic, and their recipes are targeted to supply the essential elements plants need most, including the N-P-K on fertilizer labels (nitrogen, phosphorus and potassium). However, they can be used more flexibly than the organic fertilizers: as they are formulated, the fertilizers can focus on the ingredients as well as the nutrients that plants need. However, the downside is that they usually do not contain micronutrients like organic fertilizers. In addition, while organic fertilizers can be water-soluble and available to plants gradually, chemical fertilizers are used as immediate source to plant roots. This refers to the advantages of each type of the fertilizers: while organic fertilizers are meant to used for a long course of time, inorganic fertilizers provide immediate supply to down the need in nutrients of plants.