In the amount of nutrients that plants need to grow flowers, fruits, which are 16 elements are three elements that plants from air and water, carbon (C), hydrogen (H) and oxygen (O) and the other 13. elements that plants need to draw up from the ground. Which these elements are derived from the decay of a decaying swamp inorganic objects and organic matter or humus in the soil. Can be classified according to the number of plants you want to use into 2 groups, macronutrients and micronutrients.
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