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Phosphorus

phosphorus

Origin: L, the morning star, Gr, lit, light bringer; light _ to bring.

1. The morning star; phosphor.

2. (Science: chemistry) A poisonous nonmetallic element of the nitrogen group, obtained as a white, or yellowish, translucent waxy substance, having a characteristic disagreeable smell. It is very active chemically, must be preserved under water, and unites with oxygen even at ordinary temperatures, giving a faint glow, whence its name. It always occurs compined, usually in phosphates, as in the mineral apatite, in bones, etc. It is used in the composition on the tips of friction matches, and for many other purposes. The molecule contains four atoms. Symbol P. Atomic weight 31.0.

3. (Science: chemistry) Hence, any substance which shines in the dark like phosphorus, as certain phosphorescent bodies.

(Science: medicine) bologna phosphorus, phosphorescent substances which shine in the dark after exposure to the sunlight or other intense light.


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Is there any difference between different fertilizers?

Organic and chemical fertilizer ultimately providing the same elements i.e. nitrogen, potassium, phosphorus and other macro and micro nutrients to the plants. There is no difference in atomic structure of elements from both sources. For example, whether nitrogen from organic ...

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by josem
Mon Aug 04, 2014 3:49 pm
 
Forum: Physiology
Topic: Is there any difference between different fertilizers?
Replies: 1
Views: 513

How do fertilizers work?

phosphorus, nitrogen and potassium are important elements for the plant and the plant is not able to get them from the air (as carbon, oxygen and hydrogen), thus they are limiting

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by JackBean
Tue Aug 27, 2013 9:40 am
 
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Topic: How do fertilizers work?
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[Research request] Rooting Response in cuttings

... request here hoping that someone can help me with it.. I'm doing a research regarding rooting response in mung bean as influenced by nitrogen and phosphorus.. I found the title above in the references of a paper, and when I googled for it I found it also in references of other papers just like ...

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by AhmedSprouse
Sat Jun 01, 2013 8:26 pm
 
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Topic: [Research request] Rooting Response in cuttings
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[Research request] Rooting Response in cuttings

... J.R. and Cornell, P.W., 1951. Rooting response of geranium ( Pelargonium hortorum Baily, Var. Richard) cuttings as influenced by nitrogen, phosphorus and potassium nutrition of the stock plant." Can you help me? Thank you a lot Best Regards, Ahmed

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by AhmedSprouse
Sat Jun 01, 2013 10:58 am
 
Forum: Botany Discussion
Topic: [Research request] Rooting Response in cuttings
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Views: 2932

Do the simplest bacteria have ribosomes and helicase?

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by Daemach
Fri May 25, 2012 2:34 pm
 
Forum: Molecular Biology
Topic: Do the simplest bacteria have ribosomes and helicase?
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