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Strategies for Maximizing the Efficiency of Phosphorus Utilization in Cropping Systems Involving Chickpea and Pigeonpea

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Relation http://oar.icrisat.org/4680/
 
Title Strategies for Maximizing the Efficiency of Phosphorus Utilization in Cropping Systems Involving Chickpea and Pigeonpea
 
Creator Johansen, C
Sahrawat, K L
 
Subject Chickpea
Pigeonpea
 
Description Thlr choprer rmmon:cr current kna,iadjia on phosphorw (P) ferri1r:er requ>renzcnrs of chtrkpea
ond prpeonpea ,n drferta cropping BrlcmX and iirpgcrrr means of mvrtm!:ing rffic~rnrg of P
feriillrer we in 60th rrodtr,onol and onianp cropplnp rvrremr In nion) ofrhe Pfirrt1t:er rrrills
conducled for horli of rhrsr < rops !n Indlo, niosr1.v under dvlond eond,rtons, riprjcant responses
occiv up ro vpp1,rarmn roiex of 1540 kg P im-1. Wzrh fir rvolunon of new cropping ryrrrnlr w,,rh
itlghcr porrnr!nl )ieldr and hiomars prcduci!on, ond hence demond for P.fernIirer P tequrremenrx
bored on srudws ojrrud~iionol nsrcmr need m k rrrmnlrnrd More rorlonal ood comhzncd roc of
roil mops, roll onohr!r pion! anohiir poi Inair, ondfieid tr!vir Ir iupperrrd for dlotnorrr ofP
deficlenr, and dcrernilnaitoti tfPfirri1r:cr rerponscfi~nciranr
As chickpeo ond pigmnpro *re wualii grown in complex cropping vrrems, on tnlc-.qmrcd
opprwrh 10 desrnlrnlnp P requiremenu ojrhr eniin sgsrem, mrher rhnn rhos? of lhr tndrviduoi
rropr oione, rl>roripln~> odrlrnpo f the P cyt-i~~s rrroamcnded. A mojor imprdin~rnrl o r h i ~ap proach
I$ nodeq qua re Pnonledte of riie iesiduol >olio ofP fcrr~ldier In rhe ioiI3 ond cropplnp ryslema of
concern In lnireaiin.a P./.~ PICNCI. O./ P .h rrt1l:er we, cvrr ~hnididh r mien ro evoive onrrmum
oppltcorton prorrdi'rtr for purr~ular rroppjnp rysrenir Deep piocemenr reenas ntoodoro; where
rhe topsor1 is pmne 10 ilritnfi and tn struorionr *,here phospharejsooon Ir o prohien), hit! mug he
feir8ii:er P roiucei for. rhese crops arpec!oiis m utr%, of rhr atriwm lllerr nror erudalrs in
soIuhr1,:mp P arid rhei, n ~ ~ ~ o r r i i a~r:saoo/ o rrons The vonoiu aniio,lisms proposed h) nllch
il~lr!.pra ondpltronpca iun rnlmnre [he owtlohic P rfarw ofrhc rural cropptnp vnea need 10 he
qwmrifird, so rhur rlielr ri,mi,hconcr and scope for cxplo8,orron ran he d~rrmiinedT. he rrjenr ,f
genotypx differcoce i f ? P-lrrr ?ffi;rficre,iiy needs ro hr adequorrb sludird m there crop? ro rhar the
penerir tniproirn~e,,r oprmtt run he upproprwreiy aarrhed
 
Publisher International Crops Research Institute for the Semi-Arid Tropics
 
Date 1991
 
Type Conference or Workshop Item
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights —
 
Identifier http://oar.icrisat.org/4680/1/CP_677.pdf
Johansen, C and Sahrawat, K L (1991) Strategies for Maximizing the Efficiency of Phosphorus Utilization in Cropping Systems Involving Chickpea and Pigeonpea. In: International workshop on Phosphorus Nutrition of Grain Legumes in the Semi-Arid Tropics, 8-11 Jan 1990, ICRISAT Patancheru, India.