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肥料の三要素

出典: フリー百科事典『ウィキペディア(Wikipedia)』
窒素肥料から転送)

: three main macronutrients

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40 - 50 %[1]

[]


DNARNA

[]


NH4+NO3



[2]

[3]

pH2pHpHpH

[]


6AtAMT1;1390 %10OsAMT1;2
アンモニウムイオン輸送体
輸送体 発現部位 Km[要曖昧さ回避](µM) 推定される機能
AtAMT1;1 根毛、皮層 50 外界から根への輸送、根から地上部への長距離輸送、再転流[4]
AtAMT1;2 根の内鞘、皮層 234 アポプラスト経由の輸送
AtAMT1;3 根毛、表皮 61 外界から体内への輸送
AtAMT1;4 花粉 17 花粉細胞での窒素代謝[5]
AtAMT1;5 根毛、表皮 5 センサー
AtAMT2;1[6] まばらに広く分布 不明 不明

硝酸イオンの吸収[編集]


2NRT1NRT2pH12

[ : high-affinity transport system: HATS ]0.01 - 0.1 mMKm0.5 mMHATS調0.5 M[ : low-affinity transport system: LATS ]

[]



[]

[]


NRNR


NR2NADH-NRNADH調NADH[7]NADH-NRNRNAD(P)H-NRNADHNADPH[8][9][10]NAD(P)H-NRNADH-NR10 %

NiR


調

NR調NRmRNAmRNANRmRNANRNRNRmRNA

NRmRNAmRNANRmRNA

NiRNiRNiRNRNR14-3-3NR14-3-3

[]


1010-510-6

GS/GOGATGSGOGATGSMg2+

 + NH4+ + ATP   + ADP + Pi

GS1GS22GSGS1GS153GS1GS2GS2

GOGAT12

 + 2- +   2×

GOGATFd-GOGATNADHNADH-GOGAT2Fd-GOGATGS2

NADH-GOGATOsNADH-GOGAT1NADH-GOGAT12OsNADH-GOGAT1NADH-GOGAT1NADH-GOGAT12-NADH-GOGAT1NADH-GOGAT1GS1


[]


寿




[]



[]




Picea glauca[11]

種子での貯蔵[編集]

種子タンパク質の存在割合とその構成(%)
作物 種子タンパク質 種子タンパク質の構成
アルブミン グロブリン プロラミン グルテリン
コムギ 10-15 3-5 6-10 40-50 30-40
8-10 5 10 5 80
トウモロコシ 7-13 4 2 50-55 30-45
大豆 35-45 26 70 0 0



[12]80 %

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N2[ : nitrogen fixing bacteria ]

[]


[13]

[13]

使[14]

[]


[15]


[]


[15]

[]


 (DNA)  (RNA) (ATP) -1,5--4,5-1,4,5-TCA-1--6-

調

[13]

[]


500 - 800 mg/kg0.1 mg/L20 - 80 %()

20 %[16]

[]


H2PO4-H3PO4H1PO42-pKa2.17.2

µMpH11

220085[17][18]9Pht1[ high-affinity proton-coupled Pi transporter ]Pi:H+Pi:H+ symporter: PHS[19]13OsPht18HvPht114GmPT1[20][21]AtPht1;1AtPht1;4OsPt6

ATP-1-10 mMPHO1OsPT2[22][23]

[24]

[]


[ low-phosphate tolerance ]










[]




Cajanus cajan[ piscidic acid ]





[ cluster root ]1 cm[ Proteaceae ][ proteoid root ][ dauciform root ]

[]








RNARNA




[]


[13]Pht1

Glomus versiformeGvPTKm = 18 µMVmax = 1.96 nmol[25]

G. intraradicesGiPT

G. mosseaeGmosPT




[]


[ : necrotic spot ][14]



[26][27]Sitka spruce[28] (0 ppm) 0.62 ppm6.2 ppm[29][30]

[]



[]


調[15]

[31]

[]


[1]

[32][33][34]-120 mV-40 mV



40調[13]50 - 100 mM

Brix


[]




1.4 %0.75 %0.73 %0.12 %10

[]


H+pHpH7-8pH5-6pH6

[35]27

調

[]


綿

: die-back

: browing[36]2[37]


[]


: luxury consumption

参考文献[編集]

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  16. ^ No.162 アジアではリン肥料の利用効率が低い | 西尾道徳の環境保全型農業レポート”. 2022年7月1日閲覧。
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