calcium nitrate urea

硝酸钙脲

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

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  • Urea phosphate — is an organic compound of carbon, hydrogen, nitrogen, oxygen and phosphorus. Its formula is CO(NH2)2.H3PO4. It is made by reacting urea with phosphoric acid.It is sometimes used as a fertilizer; as such, its NPK formula is 17 44 0. It is soluble… …   Wikipedia

  • Potassium nitrate — Potassium nitrate[1] …   Wikipedia

  • Dictionary of chemical formulas — This is a list of chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listings to be found at list of inorganic compounds, list of organic compounds and inorganic compounds by element. Table …   Wikipedia

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  • Soil pH — is the pH of soil water. It is based on the measurement of pH, which depends on the activity of hydrogen ions (H+) in a solution.There are many different methods to collect soil water, all which influence the measured soil pH in one way or… …   Wikipedia

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  • Salting ski race course — In the sport of alpine ski racing, applying chemicals to the snow surface is done to harden the course, making the race more fair for athletes running later in the race. The most common chemicals used are sodium chloride, calcium chloride, urea,… …   Wikipedia

  • NPK rating — NPK redirects here. For the company that uses the NPK stock symbol, see National Presto Industries. NPK rating (or N P K) is used to label fertilizer based on the relative content of the chemicals nitrogen(N), phosphorus(P), and potassium(K) that …   Wikipedia

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