Posts Tagged ‘nutrients’

Phosphate

Definition Phosphorus, in the form of phosphate (a salt of phosphoric acid) is mined from naturally occurring mineral deposits (phosphate rock) that were once sediments at the bottom of ancient seas. Comments Rock phosphate is the raw material used in the manufacture of most commercial phosphate fertilizers. Ground rock phosphate was ounce applied directly to acid soils. Phosphate […]

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Fertilizer

Definition Fertilizer is any natural or manufactured plant nutrient that contains at least 5% of one or more of the three primary nutrients – nitrogen (N), phosphorous (P), or potassium (K) Industrially manufactured fertilizers are sometimes referred to as mineral fertilizers. Comments There are several sources of fertilizers. The two […]

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