- calcium fertilizer
- 钙肥
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
calcium fertilizer
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Calcium nitrate — Calcium nitrate … Wikipedia
Calcium cyanamide — IUPAC name Calcium cyanamide … Wikipedia
Calcium — (pronEng|ˈkælsiəm) is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078. Calcium is a soft grey alkaline earth metal, and is the fifth most abundant element by mass in the Earth s crust. Calcium is also … Wikipedia
Calcium phosphate — is the name given to a family of minerals containing calcium ions (Ca2+) together with orthophosphates (PO43 ), metaphosphates or pyrophosphates (P2O74 ) and occasionally hydrogen or hydroxide ions. Seventy percent of bone is made up of… … Wikipedia
calcium — [kal′sē əm] n. [ModL < L calx (gen. calcis), lime < or akin to Gr chalix, pebble + IUM: so named (1808) by DAVY Sir Humphry] a soft, silver white, metallic chemical element, one of the alkaline earth metals, found in limestone, marble,… … English World dictionary
calcium cyanamide — n. a white, crystalline compound, CaCN2, used as a fertilizer, weed killer, etc … English World dictionary
Fertilizer — Tennessee Valley Authority: Results of Fertilizer demonstration 1942 … Wikipedia
calcium phosphate — noun a phosphate of calcium; a main constituent of animal bones • Hypernyms: ↑phosphate, ↑orthophosphate, ↑inorganic phosphate * * * noun 1. : an orthophosphate of calcium: as a. : one of the three simple orthop … Useful english dictionary
calcium — /kal see euhm/, n. Chem., Biol. a silver white divalent metal, occurring combined in limestone, chalk, gypsum, etc., occurring also in vertebrates and other animals, as a component of bone, skeletal mass, shell, etc., and as a necessary element… … 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
calcium cyanamide — noun also calcium cyanamid : a compound CaCN2 obtained in impure cokelike form by passing dry nitrogen over calcium carbide at about 1100° C and used chiefly as a fertilizer, as a weed killer, in the defoliation of crops (as cotton), and as a… … Useful english dictionary
