phosphate fertilizer
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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
Phosphate — Systematic name … Wikipedia
Fertilizer — Tennessee Valley Authority: Results of Fertilizer demonstration 1942 … Wikipedia
Phosphate minerals — are those minerals that contain the tetrahedrally coordinated phosphate (PO43 ) anion along with the freely substituting arsenate (AsO43 ) and vanadate (VO43 ). Chlorine (Cl ), fluorine (F ), and hydroxide (OH ) anions also fit into the crystal… … Wikipedia
Fertilizer — Fer ti*lizer, n. 1. One who fertilizes; the agent that carries the fertilizing principle, as a moth to an orchid. A. R. Wallace. [1913 Webster] 2. That which renders fertile; a general name for commercial substances which make plants grow better … The Collaborative International Dictionary of English
phosphate — [fäs′fāt΄] n. [Fr < (acide) phosphorique < ate, ATE2] 1. a) a salt of phosphoric acid containing the trivalent, negative radical PO4 b) an uncharged ester of this acid 2. any substance containing phosphates, used as a fertilizer ☆ … English World dictionary
Phosphate — Ne doit pas être confondu avec Roche phosphatée. Phosphate … Wikipédia en Français
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
Phosphate — A form of phosphoric acid. Calcium phosphate makes bones and teeth hard. * * * 1. A salt or ester of phosphoric acid. For individual phosphates not listed here, see under the name of the base. 2. The trivalent ion, PO43−. bone p. SYN: tribasic… … Medical dictionary
fertilizer — I (New American Roget s College Thesaurus) n. manure, compost, guano. See agriculture. II (Roget s IV) n. Syn. manure, top dressing, organic fertilizer, commercial fertilizer, chemical fertilizer, plant food, compost, humus, mulch, soil amendment … English dictionary for students
fertilizer — (BrE also iser) noun ADJECTIVE ▪ natural, organic ▪ artificial, chemical, inorganic, synthetic (esp. AmE) ▪ nitrogen … Collocations dictionary
