Prezentace%20aplikace%20PowerPoint

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NO3
N2
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Nitrification
Denitrification
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N i t r a t e r e d u c t a s e
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FAD
MoCo
HEME
HEME
MoCo
FAD
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N i t r i t e r e d u c t a s e
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Prumyslová fixace dusíku obnáší rocne asi 80 ?
1012 g (80 ? 106 t), což je více než polovina
množství fixovaného biologicky
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The three elongated dots in the lower half of the
Chinese pictogra-phic character for soybean, shu,
have been postulated to signify the relationship
between root nodules and plentiful growth of the
plants. This character was recorded by Chou
scholars in 1000 B.C.
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Varro praeceptis adicit equino quod sit
levissimum segetes alendi, prata vero graviore
quod ex hordeo fiat multasque gignat herbas...
inter omnes autem constat nihil esse utilius
lupini segete priusquam siliquetur aratro vel
bidentibus versa manipulisve desectae circa
radices arborum ac vitium obrutis.Plinius
starší De rerum natura
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Varro (an earlier Roman writer) adds the
employment of the lightest kind of horse dung for
manuring cornfields, but for meadowland the
heavier manure produced by feeding barley to
horses, which produces an abundant growth of
grass.... It is however universally agreed that
no manure is more beneficial than a crop of
lupine turned in by the plough or with forks
before the plants form pods, or else bundles of
lupine after it has been cut, dug in round the
roots of trees and vines.Pliny the Elder
(A.D. 80), Natural History
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The nitrogen-fixing cyanobacterium Anabaena
azollae lives in leaf cavities of the floating
water fern Azolla, which is deliberately
introduced into the rice paddies
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Molybdenum iron cofactor (MoFeCo)
P-clusters of the MoFe-protein
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Binding of ATP changes the conformation of the
nitrogenase Fe protein
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