Whats the difference between organic and inorganic fertilizers and what do those 3 numbers stand?
Organic nutrients have lower N-P-K values than chemical nutrients, but don’t let this fool you. Organic fertilizers can still easily burn plants if over fertilized. The difference is that the organic fertilizer is released into the soil much slower and for a longer period of time compared to the chemical-type fertilizers. Powdered nutrients also tend to have higher N-P-K values than liquid nutrients because they are not diluted with water.What really matters is how strong these nutrients are when diluted to recommended levels. Nutrients needed by plants are composed of mineral ions, which are absorbed in solution from the soil through the roots and used with carbon dioxide and water to make more complex compounds. These nutrients include N-P-K. The macro’s also include, but to a lesser degree, Magnesium (Mg), Calcium (Ca), and Sulfur (S). All of the macros are required in relatively large amounts by plants. Besides the macro-nutrients, plants also require micro-nutrients. The micro-nut