The Purpose of Phosphate Fertilizers

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Phosphate fertilizers promote healthy blooms and root development in growing plants.
Phosphate fertilizers promote healthy blooms and root development in growing plants. (Image: Hemera Technologies/Photos.com/Getty Images)

Fertilizers provide soil with nutrients, like phosphate, that are required to produce healthy gardens and abundant crops. The Fertilizer Institute reports that experts estimate one-third of the world’s food supply would not be produced without the use of commercial fertilizers.

Role in Plant Development

Phosphorus is one of the three macronutrients essential to the healthy development of plants, playing a major role in the process of photosynthesis, which transforms solar energy into chemical energy. Phosphorus promotes proper plant maturation and allows growing plants to withstand stress. It is also encourages development of healthy blooms and root growth.

Sources

Phosphorus is added to the soil either through organic means, such as animal manure, composts, bone meal and sewage sludge, or as phosphates in commercial fertilizer products. Rock phosphate is used to manufacture these fertilizers, and phosphate products commercially available include superphosphate, diammonium phosphate and polyphosphates.

Caution

Follow all instructions carefully when using phosphate fertilizers because phosphate is a source of water pollution. Overfertilizing and spilling fertilizers onto driveways and pavements are common mistakes of gardeners. Rainwater carries wasted fertilizer into storm drains and eventually lakes and rivers.

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