phosphoric fertilizer
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phosphoric acid — Chem. any of three acids, orthophosphoric acid, H3PO4, metaphosphoric acid, HPO3, or pyrophosphoric acid, H4P2O7, derived from phosphorus pentoxide, P2O5, and various amounts of water. [1785 95] * * * ▪ chemical compound also called… … Universalium
fertilizer — /ferr tl uy zeuhr/, n. 1. any substance used to fertilize the soil, esp. a commercial or chemical manure. 2. a person, insect, etc., that fertilizes an animal or plant: Bees are fertilizers of flowers. [1655 65; FERTILIZE + ER1] * * * Natural or… … Universalium
phosphoric acid — noun Chemistry a crystalline acid obtained by treating phosphates with sulphuric acid, and used in fertilizer and soap manufacture and food processing. [H3PO4.] … English new terms dictionary
complete fertilizer — noun : a fertilizer that contains the three primary plant nutrients (nitrogen, phosphoric acid, and potash) * * * a fertilizer containing nitrogen, phosphorus, and potassium, the three principal elements required for plant nutrition. [1895 1900]… … Useful english dictionary
complete fertilizer — noun Date: 1871 a fertilizer that contains the three chief plant nutrients nitrogen, phosphoric acid, and potash … New Collegiate Dictionary
chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… … Universalium
agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… … Universalium
Monocalcium phosphate — Monocalcium phosphate … Wikipedia
Nitrophosphate process — The nitrophosphate process (also known as the Odda process) was a method for the industrial production of nitrogen fertilizers invented by Erling Johnson in the city of Odda, Norway around 1927. The process involves acidifying phosphate rock with … Wikipedia
Phosphate rock — or phosphorite is a general description applied to several kinds of rock which contain significant concentrations of phosphate minerals, which are minerals that contain the phosphate ion in their chemical structure.Many kinds of rock contain… … Wikipedia
oxyacid — /ok see as id/, n. Chem. an inorganic acid containing oxygen. Also called oxygen acid. [1830 40; OXY 2 + ACID] * * * ▪ chemical compound Introduction any oxygen containing acid. Most covalent nonmetallic oxides (oxide) react with water to… … Universalium
