- calcium nitrate urea
- 硝酸钙脲
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
calcium nitrate urea
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Calcium nitrate — Calcium nitrate … Wikipedia
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
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
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
Critical relative humidity — The critical relative humidity (CRH) of a salt is defined as the relative humidity of the surrounding atmosphere (at a certain temperature) at which the material begins to absorb moisture from the atmosphere and below which it will not absorb… … Wikipedia
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
Sewage treatment — The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment, and also prevent pollution.[1] Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants… … Wikipedia
Alpine skiing — Alpine ski slope Highest governing body International Ski Federation Nickname(s) Downhill Sliding First played 1861, Kiandra, Aus … Wikipedia
