- guano nitrogen
- 氮素海鸟粪
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
guano nitrogen
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Guano — (from the Quechua wanu , via Spanish) is the feces of seabirds, bats, and seals. [cite web|url=http://www.wisegeek.com/what is guano.htm|title=What is Guano?|accessdate=2006 11 09] Guano manure is an effective fertilizer and gunpowder ingredient… … Wikipedia
Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P … Wikipedia
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 — /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
guano — /gwah noh/, n. 1. a natural manure composed chiefly of the excrement of sea birds, found esp. on islands near the Peruvian coast. 2. any similar substance, as an artificial fertilizer made from fish. [1595 1605; < Sp: fertilizer, dung; AmerSp… … Universalium
nitrogen — Synonyms and related words: acetylene, ammonia, argon, asphyxiating gas, butane, carbon dioxide, carbon monoxide, castor bean meal, chlorine, coal gas, commercial fertilizer, compost, dressing, dung, enrichener, ethane, ether, ethylene,… … Moby Thesaurus
Human impacts on the nitrogen cycle — Agricultural and industrial nitrogen (N) inputs to the environment currently exceed inputs from natural N fixation (Galloway 2003). As a consequence of anthropogenic inputs, the global nitrogen cycle (Fig. 1) has been significantly altered over… … Wikipedia
Bird — For other uses, see Bird (disambiguation). Aves and Avifauna redirect here. For other uses, see Aves (disambiguation) or Avifauna (disambiguation). Birds Temporal range: Late Jurassic–Recent, 150–0 Ma … Wikipedia
Aves — Saltar a navegación, búsqueda «Ave» redirige aquí. Para otras acepciones, véase Ave (desambiguación). «Pájaro» redirige aquí. Para otras acepciones, véase Pájaro (desambiguación) … Wikipedia Español
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
Histoire du procédé Haber-Bosch — L un des appareils de laboratoire qu utilisa Fritz Haber pour synthétiser de l ammoniac sous haute pression. L histoire du procédé Haber Bosch débute avec l invention du procédé de chimie homonyme à l aube du XXe siècle. Le procédé Haber… … Wikipédia en Français
