mineral nutrition of plants.pdf

8/14/2019 Mineral Nutrition of Plants.pdf

1/22


2/22

NNU RW HMITRY

thors of the wok of the viwer ad hs colaboraors o hegou ha ieacon wr o u wa pmau.

Method of sudy.-A pu l baly Plag Ach as

usd thougou h w w a cue t op. I elmnay k on cc ll of og pososd otassum w stdied, bu t ok as immediatel exteded ov g Th taa mag u maa xl ad g gh d a popoo o toge popho, a a a n ably xd u co ough h t opoo o u t g baey. The ootos of N: 2: 2 ae matad at .Fve of deie for eah et have bee sed eah mem

o a g o-hd tha o pcg hu h of cocenatos fo og ar a ollow (p pot of hats): mg N mg 6 g; 19 g N 6 gFor 0 ad 0 o-t a oh, pl a gTe ses tereoe oesod wh ireasi diis oe

In ac pm tety-ve ombatos have bee Thu omp aco pm wh og a poassm my be rpsntd as foows:

N1K() N2(j3 NCl/9 4(/7 N5;8N2K103:) Cl//) Kg N4 5N g( N(/7 , 4-(/7 /7 GN (/ N N6 N(/ B

Eah de a sqare dee K N K N K ad N K h o wou eee a s o icreas coao o u (mtg sees ote tets e set aconn ee. goa o se a mno nc

oh u alac ) h mal pahhow abo eese te t opoto of t trts the sandr mouns iven.

Geel conidosT ase h c o u ogo o o ade to ss c ln n eaems he chactesc of cho houl ow gh oom uama poogca poc ad uh daa capa oh aayss e haate cose ar () a o poo ad toa m of lers thoho he fe whh s

meas of mesteat actvy ; e a of oct

An

nu.Rev.Biochem.1937.6:557-578.Downloadedfromwww.annua

lreviews.org

byUtrechtUniversityon08/07/13.Forpersonaluseonly.


3/22

MINERAL NURO OF PANTS 559

o avs w s a masu o ntaton ( t owt o taf sufa w fut anass aows t nt assmaton atto b eed; an ) t at o nas an na wt of

t w pant an its ans pans a samp at aus intrvas dui owt an s ly lyto astn t amounts an ats of utak o t nutnts B tsmans numa os of vomnt a otan. ut anass of su t s t wt b Go 1 A stu o t nt-ation f wa an nitrogn n ts ins as n pus Crwther (10) Recenty tw paps n phyigca nteny haeaa by ad Pt (5) an Wam (57) w awt nton nutton of wt n osous nutton of otsA fl stu wt a of t ts on owt of nton an assium and heir neracions has been made b Mathr 2 an othe intatn pphus and ptasum Vma (3 usntwnv omnatons f the nutrients as descrbed abe. Smetpa suts a gn ow ( a Ta o V)

ABE IMAXIU LEAF AA PER PNT Q e., 11 [MHUR

Nl . . 238 .... . .. . . . ... . .. ... 252N4 . 1075 .. ..... 9

K18

69

AB II

K K16 36 1

1838

9

MAI R BR N 9 MR

l ......... 2.8 2.9 2 46 2. ........... 8.9 8 .. . . . . ... . 4.8 . ...... . 5 .. ......

A MA EA REA

'ER A Q . 9 VER 5

K .... . ... .. . 1524 25 ... .. . . 9 85 71 8 ... . ... .. 507 401 3 315 331P4 . . . . . ... . . . . 07 180 14 10P . . . . ... .. . 5 7 5

Annu.Rev

.Biochem.1937.6:557-578.Do

wnloadedfromwww.annualrev

iews.org

byUtrechtUniversityon08/0

7/13.Forpersonaluseonly.


4/22

5 AUAL REVEW BOCHEMISTYAL V

MXlU NU Im ' [V 5]K, ] K.

. ...... . . ! 24.7 2 2 . . ... :4.4 4 17.4 . ... 8 9.3 8.8 8. 78P . ,... ,, 4.8 3.9 36P .. . ". .. 26 2 2 0

e mb an ea eaT: foowin reults evdet:e eec of deficcy ucng both mb a laf aaccur h ord N > > K; r i pou wih highevl o nogn and phhu ld o an incae in ti nu-be, until the leve of potassim is ry much reded; ow pohou l h of ou y o lr u compl k o u rey n ur, ol h of phohoru eny; poaum d ll ra a a a s sw lt, t s vnc thatoau c o o o y.

JoQ

-

I - _ :! ( 3 5

IE UAE GM" A$' '


5/22

MINERAL NUTRTON OF PLANS 56

Yild plottd aganst potassiu absorbd shows th sam relatonwhn both nutrnts ar baand (NIK - NK), but whn potas

si is inial 1 ypial Misrli rationappars. n o ass whn ild is plottd aainst t aount abo of nrin in xss a urv o il with inrasin slopis ain Ca analyss e plans luias se raions

0 "

__ 'oo

-o

g cnent of baley plants samed at rtnighty ntevas.On Jet, sees with tssium n mnmum nten in exes; in ente, nt-en n mnmum, ptassum n eess n t alaned seies (Assseeents num samle)

F nn a swn in T wi nein nu N,, - N as well as t alan srs swsthat n th ary stas o rowth lae ncs n nron tnt ar ppart th hir intna onnraion orrsponn

wih th ihr etrnal onnration Durin t li y th intrnal onntration als and, vntual n all sris ras alostt sa low level is is in arkd onrast to th rlation in thss wit otassu n in a e n es N K NIK5' Here, in e ealy sas all t srs sow sa niron ontnt n th tssus bt as dvlopnt pros t srisrin h las potassu now shows t hht ntron ontntEvintly t aont o rowth ad is t drin ator tarr t nal siz t lor nal intrna onntration o nitro

n. Sila ans l or inaions o nitron and phospus wll as pspus and pass is plains lt soall "luury onsupion o nurins prsent in ss

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




6/22

562

The resuts will ay howe s betwn nitogen, phoshous anpossim owing o heir diferent tons to meistemti gothWhe ntogen is in excess an so o a ess x in th cas ofphosphorus goth occus ut cess of potassum oes no ve et. Figu 1 a a g amn nitgn abob, in is drawn paalel to th rinate t s seen that the yed nceaseswit icreas i posm up to th "baanc osag btfurther increase n potassium ead: t no urthe incese in yield Ih same s done or oasm pake he ed nreases eond hened dose s nroen sy ese As sown n Fgre 2 eower he level o posiu the hgher he n conenron o

nogen wen he spy o o e nced ,n ths ccumuaon o nogen l to th cessiv irng ntedove. pns ve ery w imion te, e ems o eonge nd e ers log eened o emerge pants eoe ompeey an the niogn taen u sno eeny e Te Mser , ereore, eprsss n ee eween e nuren n mnmm an that n ess: were nutrents re supp n aance popoons e o the minum hods

Balnce f nutrets-Ti q of sat aanc is of oios mporne One o the nherent dcuts n evon o of an nutnt at is tat th ions away intodcedn as an terefoe th omne ee o anon an on salws one he meod o ree sl soons nroded Sve souh s e mos eective cobination of x onsIn order o eve e nren e o snge ons rom sch e-ss a ssc mod i psble Bcnbach, adgh 6 ha ed n nss on own

asee

o si sa souons Th etabis preponden -ad the lm neglile eect o P04 n 4= he ctions, K+ad CaH, gave eaes yed rogo e rnge sdied. hsrsults ae in complte aremnt with a peious anysis of taor pooes repoed y e reveer (18).

Ron o gowh nton ntrnt The alstages n eloment conceed mny with the ccumulatono nutrints whih poceds rpid in h tissus (ig h re

o pae or nrens sdied s een foun to be popooalo exerna oeno p o sage wch o dereon egins s wees in rley sown n y) e mmm res

Annu.

Re

v.

Biochem.

1937.6:557-578.Downloadedfromw

ww.annualreviews.org

byUtrechtUniversityon08/07/13.

Forpersonaluseonly.


7/22

INAL NTITIN LANT

tak nirogn and phosphorus ar shon in Figr mgmnt nd th t f upt n th t ytmxpnd ppng p glt th t th xpnn

th t ytm th t tnds t s nd, s tke nee tn nnn f y dp h un. A el,th, th t upt h mxmum u erly n thlf try n th n xpnntl p th n -nng num pd ld dn n l nd tll

o

C

4Ri

2X

t

1

- x

0

O -r --- I YG 3-Relaion btwn at f uptak f nunts and xtrna conn

aon; pmn wh bay wk om gnaon. (Ena onnaon Nand a pnd n h aa)

th qument nutnt uth gth nd mntnntnd n xpnnt n mnhl th xtn u-tn dpltd nd th, th t upply l. Th tlpnt t hh dmnd t uppy mk th mmum n t up h pnt nd th th ppn f dnmtm n te eae emegene an a been ae e tage "ntrnal savaton (10). Up t th t af-ara groth andyweht n xpnnti h hh ll n

tnt pntd t th utt nutnt upy ntnuuly nd ntnl ttn un nthl hh bn shn n bl t b du t ddn l n th t up

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




8/22

5 ANlAL REVW OF BOCHEMISTRY

take b the roos. A smlar essaton o uptae was ound n ottonby Crowther 1 and is reated in h cases to the onset of hereproducte phse.

The rate f dvelpmet proptinl he re f upke h x c F c, -ore i not too hi te re o ute nd re o deletion epootionl to eenal onentato Maxma in tle nmber andleaf area should eefoe occur at th se time independenty of theoncentration at hich the pant is grown, an this has been shown be he ae w phpu d ptssum mmum.

he nse of ntern v u g hopml time t hc nutriens sold e suppled n on recoeryom stavation ieu (52) has eoed on the time factor in thetisation f ntrients by em and shws that recoery from prolone staraton o ntgen s ery sow A nterestng reation osex derentaion s sessed, low trogen proucng mae owesand high g ug m w

A comrte tu of e n relaon o mneral nurton has ben made by Deeano & Gtera 14. Los tssim cacm, ad ngn occr ater owering n rye, whereas oats

lose tasum ol Te cocenton t sa is mainand -stant, when esicaton afte oweng begns, b excrtion o salsy h oo

ifil ' Reerence ma here e mae toh inc wh whch dirn aritis utilse ntrents n ieproducton his socale "deenal areta response was stesablse h ve viets brly b Ggy Cw (19,20) Lynes (27) as xamned the shorus nuition of twen-ne aretes o nd hs no fn yo o ccn eret raes ulsato n he ear stages arge erencesin susepi to phphos deen wee noed amon th arieies A ig phoorus requreen aced as a recessie n hyrs The respnse o pospous s crrelate h te ber anchracter o the roots

amb Saer (26) establshd dferena espnse by statstcalnsis o e wth seeneen ares o wheat grown at ieentv o ftty. Drntl en n wheat hs been shown lso

by Woodfod cla 58). Croher and Crowher, omode &Mmu (1 12) in largcae e exermens hae establsheth m fr v:ii f cotton.

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




9/22

TT T 56

Sypo of efceny-Th is gna agmnt as to thsmptoms o ntogn and phosphous stavaton. Th symptoms opotassu saao how ha b aous dsd ad a

disussd by Richads & Tmpman (39). Ths may be eithe ligh ylow colour of lav aociatd ith ucculnce and vey apiddath of th avs o a dak gn coou associatd wth whit obown spots on th avs. Th st typ is haatisti of otassumstaaio wh th tadad manu usd ths pmts nwhih a hih v of sodium is mataind An additiona ct undsuch condion of ow oassium ad high sodu is h oinudtng whih ocus at ight ws whn wth amp suppy of

potassium ting ass Th st cop of ts dis and is sucddby a sod an thd cc whh tun d wthout mgnc o as n th scond tp dscibd by mica nvstgatos(s 39 fo s sai atvty ass ad gowth ats s scond typ o potassum diy s haatis ofodiios high aium and ow phosphous supp Shih 49)has show tha vn th psc of hgh aum th st ty ofdcnc smptoms is poducd by adding xta sodium. Sodiumthfo has a sp t on gowth Sha & Shopp 44

nd no aton btw sodum and th upta of oth utnsbut stat that asig conaton o soium ads to gat upa o ou wl sodum. Shh o h oh hand ndthat a dcas potassum a sis studd ads o an incas sodum upta.

hid 46 has amind th cts o dcns on tanatomica stuctu of Plaru, ad th ts on th poto- uu o h as of a dsbd by Kahho 25

Wr nn.Rsus n hs pimnts dscpant omthos o mian istigatos hav bn onsistnty otad;thus potassium dcinc of th st tp high sodium, ow cacium)s assocatd wth asd suuc ad tha o h scod yhgh acium ow phosphous with w wat cotn. Th woko hih 4) has shown ha the wat ot wh potassum d-ny dpnds o th s o soum acum and phosphous. Thaton o wat contnt to ativ concntations o sodium ca-

um and potassum as ound by hmica aayss of g asn ba a pstd n Fgu 4 whc th contous a oequal wat ontt (wat/dy wight h maa ombinion

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




10/22

S W M

sd are indictd bow t dgrm. Te foowg rsults een shwn t e sttiticy v sgnicnt: (a) Phsphs cntenths lttle efet n tr ntent t hgh ptssm level, n n-

crs phosphrus cy rc h wr co s h pots-u ll l .. dut o otum c wt ctt

low "B mediu N + dm CC ih C wih

w pp hg phosr

FI 4.-R1ation bewn r cn d liv ppis f g : y Cu qu

muc mo g th ow oos vs b Rduo

y u r hgh sd tn t gh Cl lees. At hg sm eetssiu eeny es t n nee n wte ntent; n ne

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




11/22

MNERL NURN LN

dum-aum seres he ee assum s ess arked; h alm seres, edun he assum ee eds reduon n waer oe a frer redon n oassm leads asend nrease These resus omleel ear e dseanesn he ndns deren nvesars

Nitrogen meabolis.-A dealed sd o e varos nroenrans n he ma has een made b ar n ans edh nrae and ammna he md for sdy nren measm are deal b Or & Wlson 4 Te oalled edaseav of exressed s as been renvesaed b Sommer 0wo fals o nd evdene for aal redon of nrae o re

n absene of l sd o deienes in niroen, osors, and oasm1/0 sandard n he nren measm are eaes has eenblsed b Rards Temleman 3. e sessve leaves ofe man soo a fll emerene and drn senesee were sded. sold be noed a e nmber of sessve leaves s lmos ndeende of manr, ra from e o welve n exreme asese follown fraons were esmed: oal nroen, roen olamno, amde nrae, and resda rsallod roen n eneal,

al nroen and mos he rans rea a mamm n esend urh ea dene a mmm n e e or nnlea ad aan rse e las leaves w sores of noe areavlable newl absorbed nroe and nroe lberaed b roeolss A sd of e odons leadn o roen readwn nrelo o loroll dro as been blsed b Mel 3)

Nron dee w nen n he eaes u e frons are resen n e same rooros a n fl mared lasndang a normal orse of roen sness osors deen leads redon n roen onen even a emergee nd ad a drng senesene of ndvdal leaves e araersee s e amlaon of mde nrogen nd a less mared am-laon no nioe and nae in e lae leaes. A e nren a he ee amd ndaed and falre oroen sness eads n he ase hshrus as n nrendee o a low mersema av as so b eded llerrodon and ndvdl le sze ad lef ea Possm deen

w sodm low alm s aaerised by: a a mednrease n amo nd amde roge og e aear n normalrrns (b) amaon nrae nogen n laer leaves

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




12/22

ANUAL REVIW OF BICHEMISTRY

c a y api beakdwn f pen urng senescence leaes. Aergn h vs shw a noa in nn I s q pasiu is n pimaily ed h pren ynhe bu nee-

ary r ananng he prplasmc cplex and n s asencead resis cus In nsqunc of hs pein readwnue nen rans accuue ruh e pan he efcs f hgh cc an s n n hs nsnsre knn

The eec f nirgen suppy n sugaprd ucin in sug cane has been sudied b Das 1 Hgh nirgenup ncreases uccuence nd varans n waer nen are

o diee an f nanc sas. Hydtin i core-ad h an e nn ucng ua and Thucrse cen f expressed sap s highes wih nin deciencyu n elan plysahaids fnd. It s nldd that thnrganc cnsens cng n e nzye a the chf crllngfc

A tudy of eenes n nren phphu and passium0/ ana n e ea s bn by Ggoy &Bapse (2) usng successve eaes an sh bh aemrgc d dui ssn. Th xnt was td w yas wh T sadad nrig h ghsoum w acium wa used

Niren deciency as n cnssen eec n redung sugawhie al carbhdrae s rea creased Phsphrus decencynceases fee reducing suga bu al sugar s less aeced Pas ny w dung sa and ads a y l alu cnet co ee in suga nen appea n

ssun e he mee h fouh laf, a

hc ie lerng egns. A iniu suga cnen curs a hstim. Excep poassum-deent seres he sugar leve ses hs pn gh h j l y hs : dd n h md appan anus

Senescene in he ae leaves ads a fall n uga nen bun he lae leavs he ppse eec appeas he changee ccu-ng n deren eaves in he vaus sees Passiu decencyao ow, i l ce, coiet ll i u ott dui

C o o o o educng sgar are fund: ey hgh alues n ngen diencyey o i pu decency and neediae n hphus

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




13/22

P 9

eey. ll he ees e wee hghly sga sasallyThe hgh value f edug suga the phsphus-e leavess shwn b ae he hh ai am a a nrn n hs ses,' a a sun ncas n bh values ccus a h enc h uh a h sua vl s la abn assan anscan pen synhss an spanHh sua cnn wh nn ency s ue hh asslan ae w span w pn synhss, an w meseacavy Low asslan a wh phsphus ny s sey h lw sac acvy s ha h sua c s epa uh na In h passucn pa h vy

lw assan, hh espa acve pen syhss a ecssiv merstatc actvty al contbut t a vy w suga nnh esgas f h e f passu eey he

aey ea have een exene ve s f hgh alua lw sum he eels passu (K K K5) be

h w lvls psphus have e use A us ahyehas y e sa wae as ay aves ychl Bae 1 an sas hs cabhya acnw cu n hs pn

S he esus e ae ee n ale V key heanual an s gn he vaues n ae eas h sucssv avs, pss as qva hs n amsp a avs sh wh

he wn sus appa: Th a cabha nns a n h ava n h wh hh cacu han wh ; cency eas a ea ucn n fatos n he psc of hgh sodu, bu n he ees whhgh au un n hyae n l een a K leean s y vey sal a vel; uce phsphus n he hghsu sees al eas an accuulan ucn suga anusa Fucsa auulan s als penen n h pasueve w passum lea a a us cn

Eec f nen decency n nThe leaue n heee f e ey espa a assmla s eyl Much h pus w sue he lw ecs nsucn ega has ben pa he changes n ae

whch a pac u vp vaua sasca/sance s se apEsans hav bn a sa c succssv

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




14/22

570 ANUAL VW OF BOHSTRY

levs n man stm t m o cmpt mrgn by Grgry Richards (21), and ih 37. The ue of oberton mden lev suns as n dd f asns n

y Rihrs 38 wh ins ha his mh nns hrns ma rat n vs rmd rn stas ne y nt t snsn ngs n ndas; t m hsy vs n rd a s f. Ony ss nmd y satsta ne eped

TA V

RBYDRE FRO QVE EXOE(g per m. fesh wt)

Reduing

Sar crs Fc

AKl .. . 2 3 59AKs . . 2 1 AK . 3

.... . . 6 113AK " 3.5 6 .4AK

G 28 8 3.7

HK1 . 4.5 3 5.4CKa . 4 . 7 HCK5 . 8 2

K 0 . 5 .K ... 1 . 5.3 5 52

H = hig pospor A = dum

L lw p S) camK K K eve f tam ( 9 /

Total

247

02

3323

50

22

25

32

339

T t w ce s ss yS (45).

Nn dn n wy d n n tra rsratn (21, 48). Ths s nns MUl Larsn 3:) n U 41) an Hamnr 3

sp v l n hw n n

st c mxmm

u dns nm nn f nd ss sbse

qn Ts t ns n t nn d mn-

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




15/22

MINRAL NRIO O LA 571

tioned 39. Phophou decency at the evel / reult in nosinant eduton n espaton (21), but on uthe eduton othe phosphou upp a pogresve deree n respiaton eut

Jone (4 ha nvtgated th ct of phophoru upp onetioted wheat eeding and has shon a ma ncreae in carbondioxide producton with addition o phophoru He concude thatphophoru act b it sociation wth cabohdrat metaboim db t eguation o potein nthesi

otasium deen t the eve K (1/ eds to ver getneae n epation but he eduton n potaum eds to a n abon dode poucton whch n etreme tavton beownom (3. These esut were obtned wh high sodum and owccm e pae green ccent eae

Repirtion o eaes under conditions o high cacum ie dakeen eave wth ow wate ontent ha ince been studied Agnge nceae n epaton ae ound wth potum decienc;the ean epaton ate o cceve eave n the high acumerie at two eve o phsphou are gven n abe VI

A V

S ; SSV VSg O per g wgh hHCK, .... 4.38 LCK . 470CKa . 542 LCK 40CK .. 61 LC ..

he incease n epton wth potasum deienc thu oundto be genera n be he eect o potaium i dependent how-ever on the eve o phophor the eet o potasium decenc

msed when phophos s ept t a o evehe etion o espton to cabohdrate and nitogen metabo

ism hs ao been nvestgted Sen (48) tded the eton nerie o mnma nitrogen and potau

Emations o protein amno nitoen edun nd tot -bohate wee made In a ees with the snge ecepton o

Nl ignicant hgh poive coeation between repation andprotein onen were ound ao oberved preiou (39 pota-sium decienc ge a er ig ano nitrogn contnt and in t

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




16/22

57 U REVIEW OF BICHMISTY

( N1K - K a sgnca hg can f amn ngn ad resrao was ed Very g vales sga n t-d a y w vaus i e assumdecees were u 2 Tus gec sees a pan acad a cnn and pamdce seres, fe nee nee n n ca n a manaeres a ere sgncan dre rrea bewee resraad ee redcg gar e w e ge exce e NK seres w gave a g pse ae w al sga etl colaton, ft lmt o nd e gen fc a and sg a e seres asa ncan p paa o

ra

n of pra a and a

a and n c f mn nirgn a elmne s aear, as Rcard smsed (37 a w ver grea asu dece carbdrae becmes crg acr res b er case s s Te er g crreas pan pn ( dcn) and amn ngeasm dece ae ueced emag e ee sgae e ea.

A smar sd n mad pan n

il srs and as i ra ass baaedsers rea carbdrae ad rge racs. Weu dd a e lowr ve of psrs f P aan a gncn n n p 6 le dcn n am n eec relan ai nrgen hs be . srkg smar s us seerg tw ees a y a am re e Swa 4 as ba srkg e mn d n oxyg. upke aresl eed wh re ad guamc acd reases 3 cn n rr e bin. By peda ma m amacd n we e apead appa aan nrepacg e am ad s e am ad was us ued bu e resrar que was aeced cag a amn ad dret de I s sggese e amads ma n xn acn a dn acp

eg e xpn w bare s aears a eees su n n mn gn acaon dan a {! a ca pan ae g accmpaned b a creas rge; assu sarva

Annu.

Re

v.

Biochem.




Forpersonaluseonly.


17/22

MNRA NRON O LAN 573

e ote e o cree no nroen e rspiration. In th srs P and P th corratons of rspirationth potn ar not sgncant, ut hgh postv corratons t

rec r re o Te ee o popor pdecencs a thus very drnt th eet o te ore ppreyo through coydte eto te tte o nro-e eto

Feeding experments.-A re reeene may here e ade toxprnts prford to lucdat th rlatons ntiond ao yee eve rom tve pnt of arey th the particar ntrint n cy 42 oe t potmrve e oe tt ee t pot an d no ect hicheotes e eec o pots s indrec Hever eed-n r coe rcoe or croe creed e repr-tio rt

Wt hospors-stard aes din xprnts ha eeperformed by ankaran 4 eaves remove at dierent saesdurn th i yc r d as oos : a dstid w, s-coe n exces c scros nd sodi phopte and d scroseod phospe nd mo ne In ddo o cron

doxide prodcton stmatons of phosphors ontnt protin nitron aino nitron ad nitron and rsdua nitron wre deore nd ater e pero of repiron (ree or four dys .

I o reron s creed vey cnsderby diton o phosphors and sgar nd an addtio inrs wsote y v on e t te sr e ndo e ncrese, ower depended upn th s w evwr rod th t bi ratst i th arir as; ths thct of fedng with phosphors was ratst wh th as cone o pospors In c the eec of popedo o ce e repiro rees e e repo nory es Schae (47) pints ot smar eec oo cds on

It o osrd that considra protn hydroysis occrrddurn rspiratio bt this was ways ss in th as d withammonu rt

e cocon rece ro ee expere o e ev-

dnce cannot prsntd hr s that th an ct of phosphorson rspration pends o t eon o ntoen eo d eeec on croyte eos s secondry vdn

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




18/22

4 AmAL REVEW F BIEMY

nnssn wh h vw ha bydr is n xdsd nls is t dn in he cyce o nien etao On ti viw teeect of poaium deieny i ele o amino nirogen onen

bs h v hs ron r h o ryss. at h s , s hs bn hown e pn onten o ps-tvd eae t ve g, i foow h pein yn-hss s wll s ydolyss mus b kn pl n pssm-svdv v d; hs i sggsd s d h hgh po ae. Fhe don a e ed hee.

Whe , orkng L nd dng ecoy fonirgn svn h h rbhyd whh hs umuddurng sv vey dly oxdsd. The pon myrch a ae f v ms h poy hon nd ntoen deecy. R 4 s dsusss f pssm n spto. e e ha om lte he diibtion of inn h n ; h on n n y or oyen keTh id yn ppy nibt nrbi pton, nd

f pssm hfo s ld h v s f b eraon

Eect of nuit diy o arbo a.-Expmnts

v een erfoed n wh he aaion rae of bey 'fm plan decent n ntoen, oho nd po hn sdd n l dylgh, n a h oce of bn ddSeie ee e, w o e Te sppy ws y pd smn hm sh nd hea aea a o h l of aiaton ee bnd Nogen dececy e eve 3 ( /9) nd N5 ( 1/81 ) wee died Chin 8 No dn n n r s fnd s yb s m lli le :

C fully mu Nledium deciecy . . NaControl, fully maed . Exm c . . . . . 5

(1/)

Alaton f Cbn Dx(m sq dem. e or)

194J Mean value o 17201 doMa vale 1

(1/81)2. 1 0 demiaos

Ths cns the ev ndng o Geoy Rhds (21)

Sml exeres ih phoshrus and sum

de h ater the frh ea, a ra fal in assmlat whch reache in n he eghh n eqey e ( 2

Annu.

Re

v.

Biochem.




Forpersonaluseonly.


19/22

INEL NUTTIN O PLNT 55he results th toge decey are ot i agreeme ith

hos of Mllr (31) Mllr & Larsen (2) and Hamnr (2ho record a redctio in assimilaion rate du o nitrogn deciecy.

Thi reay s ar e o he mehos use by hese vesaors : o eort as made to searate the seescet eect of lack ofiroge o idivda eaves om the eect o the ea at the timeof ts emergece here s o doubt tht itroge dececy leads toa mor raid senescece of laves and is is even more evidn wihhoshous ad otassium deciecies Uless these factors are searated disora reslts ms be eeted. Gasser & Geze 15, 16)hav stressed th imorance of h ieractions of nitrogen and o-tassium assimilati rate. I their exemets the rst leaf aleas used hch as Steard 5 has ghtly poted out oul beleas liely o sr rom ntrin dcincy owing o sores in hesed In or eerimnts th mard ects on leaves just emergedaear a the fth leaf, ad t is iteretig to ote tha he rs fourleaves of arley ar rformed i h eo h fh ng dier-eatd drig germiatio t wold ths aear that the coditiser hch the rimorda ae ld do ar vey moat determinig the reaction to nrie suly n th eriments of ass-

n h n iilion in h dir ris ommore mared as the eermets roceed ( 1) , and indeed, ith leavese days o chages in he iroge suly ( 1/ 10 1 ad erewihot eec o the assimilation rate. Seescece was, hereforrarly ivesate in this work h relation of oassim o rmater accmlato s dscussed by aad & Fra 28

The rsls oaid with arly y dirc stimaions of asimila-io ar in agrement with estimates of et assimilatio derived fromamlig aa The metho is ecibe y regory ( 17) ; i is wih

o dot he es metho availale for sdying avrage assimilatonrates over log erods Data from such stmates are gve by reg-ory & Base 2 By ths method itoge dececy u to ma-ma laf ara (i.e nil seescnce of leavs egis) shows no ee assimiation [regory 17) athur (29 ] This has een shownfor otto also y Crowher (10) Vera 53 hoed y he samemehod wih arley ha hoshorus a otassum deences e-ce assimlaio i the order sated. Watso 54 from sugaraalyses o otao cocldes hat addio of oassium hlorde i-reases assmilain rate hs mortan aer however is rmarlcocerned ith diural variaons in carbohydrate fraios ad

Annu.

Re

v.

Biochem.




Forpersonaluseonly.


20/22

57 RVW F OCMSRYate content. Vhite (55), okng wth Lm found no c-tin n n ssimln s a n!quen f ntrgn avaton,tog o respiation, and o mlpion re w sypac.Fh, h s nvsg d w sn t bchaacec of otasm eency (56). Drng he coue ofpoam avan dry mer acmle n he fond o tha thed eg un aa eache a hgh contan level On enenth ptss sppy t td tt l ss.Ezyme x sh d acty sh hydys hss ny. Th n c o poaim abed othe gn carhdate m.bm by cono of he tac

s

ab

alance

In n, t nicae t omlxit of t aton ssn ntn ns n shd d h -p An (2 3 4) h hs invtigad aqc lan n has sown a am caona olce ae srd t t sfc he calchdoxde cae a pr T ar ra fd nlyn he h no soton ocrn n e ark n te ase tass an rtio u b hpp

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




21/22

L URII OF L

LU

1 ARCBOL, H K AND BATE M., Bochem I. 29 68 1935

2 ENS K Planta 20 21 (133)3 ENS, K ahrb wiss Botan 83 513 (13) ENS K ahb wi Botan 83 51 (13) BALAD L A AD PETE A. utmln Expt B M

Si. 1 135 (13) BEKENACH J WADH, C AND fVE, J W oi c

49 (936)7 BENEY, Btan Rev 173 13) IN J J (Thesi Univ London 135) A, E Pant Pyio. 5 (13)

TE, nn Btany 48 7 (134)1 1 TE, F, o Agri oc. (Cairo) Bu. 1352 TE, F, MlDE AD AMUD g o (iro

Bu. No 26 (313. D U K Plant Physio 1 51 (13) EEA, N. F, AND GTEAM, P Bit Bio Pfanz, 9 9 GASSNE, G, AND GEZE, G., Pnta 20 31 (133)1 GASSNE, G, AND GEZE, Z Botan. 27 (13)17 GEY F G, Ann. Botny, 40 1 ()8 GEY, F G P o Lonn) B 10 311 (19)9. GEY, F G AND THE, F nn Botany 757 (12)

0 GEY, F G AND THE, F., nn Botan 4 57 (131)2 1 G F G AND RADS, F ], n. 3, 11 (1)2 GE, AND BASE E C nn Btan 50 57 (1) AME, K Botan. Gaz 47 7 (13) JNES W W., Pant Pyio 5 (13)2 AHE Prtoa 6 AMB C AND ATE R M I g ee 1 (13)7 YNE, A. ., Pant Phyi 7 (l3) AAD, K AND FAN, W, fanzeernihr Dngn Bdk

(135)

ATHU, N. (h Unv ondon 13)30 IHE G Z otn., 35 (135)31 Plta 6 1 (13)3 MLE AND ASEN P Panta 2 1 (135)33. OSTEHT J. V., Botan Re 2 3 (13)4 , F. AND WISN, P W Plant Physio 13 (13)5 PAD, J Qua Bio. 0 93: PRSCE K Frr Btan 1 (13)7 CHRDS F ] n Btany 4 37 (13)3. RHADS, F nn Btany 8, 7 9

39 RHAD, F AND EMEMAN W n B 0 37 (3) RHDE G z Dnn Bodenk 44 1 (13)1 RAND W AND I H Plnta 7 42

- AD, (This Imp C ci. 13)

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org




22/22

578 UL EEW F BEY

4 SANKN, Uv 6) SCHARRER AND SCHROP W P/anzenrnh. Dungng Bk.,

37 1 9)

4 SHR " t ( SCHNDR Bota Z8 56 (5 SHWA plasa 6 (2 P U 9:4. IH G-A (Thesis U L 5 SOMMER A L l hysil. 9. SWARD F An Rv. ihm 4 519 93)2. TAU, M Plan hyl 7 VA S S T d 9 A J" Botany 0 9 9

. H H L Ann Bany 0 7 (6 H H L. An Bany 0 (5 LAM F Aal 1 Expl B. Md. Sc (98 F G C 1 h 24 :6

NU O N YOlA OG S HOO

D ED

Annu.Rev

.Biochem.1937.6:557-578.Do


iews.org



mineral nutrition of plants.pdf

Documents