calcium carbonate fertilizer

碳酸钙肥

English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.

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  • 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 — /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

  • calcium — n. a soft grey metallic element of the alkaline earth group occurring naturally in limestone, marble, chalk, etc., that is important in industry and essential for normal growth in living organisms. Usage: Symb.: Ca. Phrases and idioms: calcium… …   Useful english dictionary

  • calcium nitrate — noun a deliquescent salt that is soluble in water; sometimes used as a source of nitrogen in fertilizers • Hypernyms: ↑nitrate * * * noun : a colorless crystalline deliquescent salt Ca(NO3)2 occurring often in natural waters and soil and as the… …   Useful english dictionary

  • Calcium cyanamide — IUPAC name Calcium cyanamide …   Wikipedia

  • Fertilizer — Tennessee Valley Authority: Results of Fertilizer demonstration 1942 …   Wikipedia

  • Calcium — A mineral found mainly in the hard part of bones. Bones serve as a storage area for calcium. Calcium is added to bones by cells called osteoblasts. It is removed from bones by cells called osteoclasts. When children consume calcium, they absorb… …   Medical dictionary

  • Sodium carbonate — Sodium carbonate …   Wikipedia

  • Chemische Fabrik Kalk — GmbH Type GmbH Industry formerly chemicals today wholesale of chemicals Founded …   Wikipedia

  • 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

  • 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

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