organic nitrogen compounds

organic nitrogen compounds
Agriculture
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  • nitrogen group element — ▪ chemical elements Introduction  any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… …   Universalium

  • Nitrogen fixation — is the natural process, either biological or abiotic, by which nitrogen (N2) in the atmosphere is converted into ammonia (NH3).[1] This process is essential for life because fixed nitrogen is required to biosynthesize the basic building blocks of …   Wikipedia

  • Nitrogen nutrition in the arbuscular mycorrhizal system — Contents 1 Role of nitrogen 1.1 Mechanism of action 1.2 Community and ecology 1.3 Alternate theories …   Wikipedia

  • Organic hydroponics — uses organic fertilizer. Conventional hydroponics cannot use organic fertilizer because organic compounds contained in hydroponic solution inhibit the growth of the crop roots, so it uses only inorganic frertilizer. In organic hydroponics,… …   Wikipedia

  • Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P …   Wikipedia

  • nitrogen — /nuy treuh jeuhn/, n. Chem. a colorless, odorless, gaseous element that constitutes about four fifths of the volume of the atmosphere and is present in combined form in animal and vegetable tissues, esp. in proteins: used chiefly in the… …   Universalium

  • Nitrogen cycle — Schematic representation of the flow of nitrogen through the environment. The importance of bacteria in the cycle is immediately recognized as being a key element in the cycle, providing different forms of nitrogen compounds assimilable by higher …   Wikipedia

  • Nitrogen deficiency — A young cabbage plant exhibiting nitrogen deficiency. This is about nitrogen compounds in plant nutrition. For shortage of nitrogen compounds in human and animal nutrition, see protein deficiency. All plants require sufficient supplies of… …   Wikipedia

  • Nitrogen oxide — Contents 1 NOx 2 Derivatives 3 See also 4 References …   Wikipedia

  • nitrogen cycle — /ˈnaɪtrədʒən saɪkəl/ (say nuytruhjuhn suykuhl) noun the continuous circulation of nitrogen and nitrogen compounds in nature between the atmosphere, the soil, and the various organisms to which nitrogen is essential. The nitrogen cycle describes… …  

  • Organic compounds — Organic Or*gan ic, a. [L. organicus, Gr. ?: cf. F. organique.] 1. (Biol.) Of or pertaining to an organ or its functions, or to objects composed of organs; consisting of organs, or containing them; as, the organic structure of animals and plants;… …   The Collaborative International Dictionary of English

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