6th October 2019

grow-it-organically
16

What is a good phosphorus fertilizer?

Organic phosphorus fertilizers come primarily from mineral sources, like rock dust or colloidal phosphate (also called “soft phosphate”), or from bone sources, such as steamed bone meal or fish bone meal. Mineral phosphorus sources are cheaper and last longer in the soil.

Accordingly, what fertilizer is high in phosphorus?

Fertilizing Flower Gardens and Avoid Too Much Phosphorus. Most home garden fertilizers are complete fertilizers, which contain the macronutrients required by plants in the largest amounts. The numbers on a fertilizer bag refer to the percentage of nitrogen (N), phosphorus (P2O5) and potassium (K2O) (in this order).

Why phosphorus is important to plants?

Phosphorus is a component of the complex nucleic acid structure of plants, which regulates protein synthesis. Phosphorus is, therefore, important in cell division and development of new tissue. Phosphorus is also associated with complex energy transformations in the plant.

What type of phosphorus is used in fertilizer?

The phosphorus in the phosphoric acid used to make most dry phosphate fertilizers as well as a few liquids is in the orthophosphate form. If ordinary phosphoric acid is heated, water is removed and the orthophosphate ions combine to form a polyphosphate.
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