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** Soluble Phosphate
Phosphates are the acidic group of phosphoric acid
Phosphates constitute a very important group of basic fertilizers needed for plant growth
-- As a result of the acidity of triple phosphoric acid, three types of phosphate fertilizers are produced, which are mono, double and triple.
Phosphate salts are insoluble or very little soluble in water, except for phosphate salts of alkali and ammonium, which are completely soluble in water.