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

abstract

  • Thlr choprer rmmon:cr current kna,iadjia on phosphorw (P) ferri1r:er requ>renzcnrs of chtrkpeaond prpeonpea ,n drferta cropping BrlcmX and iirpgcrrr means of mvrtm!:ing rffic~rnrg of Pferiillrer we in 60th rrodtr,onol and onianp cropplnp rvrremr In nion) ofrhe Pfirrt1t:er rrrillsconducled for horli of rhrsr < rops !n Indlo, niosr1.v under dvlond eond,rtons, riprjcant responsesocciv up ro vpp1,rarmn roiex of 1540 kg P im-1. Wzrh fir rvolunon of new cropping ryrrrnlr w,,rhitlghcr porrnr!nl )ieldr and hiomars prcduci!on, ond hence demond for P.fernIirer P tequrremenrxbored on srudws ojrrud~iionol nsrcmr need m k rrrmnlrnrd More rorlonal ood comhzncd roc ofroil mops, roll onohr!r pion! anohiir poi Inair, ondfieid tr!vir Ir iupperrrd for dlotnorrr ofPdeficlenr, and dcrernilnaitoti tfPfirri1r:cr rerponscfi~nciranrAs chickpeo ond pigmnpro *re wualii grown in complex cropping vrrems, on tnlc-.qmrcdopprwrh 10 desrnlrnlnp P requiremenu ojrhr eniin sgsrem, mrher rhnn rhos? of lhr tndrviduoirropr oione, rl>roripln~> odrlrnpo f the P cyt-i~~s rrroamcnded. A mojor imprdin~rnrl o r h i ~ap proachI$ nodeq qua re Pnonledte of riie iesiduol >olio ofP fcrr~ldier In rhe ioiI3 ond cropplnp ryslema ofconcern In lnireaiin.a P./.~ PICNCI. O./ P .h rrt1l:er we, cvrr ~hnididh r mien ro evoive onrrmumoppltcorton prorrdi'rtr for purr~ular rroppjnp rysrenir Deep piocemenr reenas ntoodoro; whererhe topsor1 is pmne 10 ilritnfi and tn struorionr *,here phospharejsooon Ir o prohien), hit! mug hefeir8ii:er P roiucei for. rhese crops arpec!oiis m utr%, of rhr atriwm lllerr nror erudalrs insoIuhr1,:mp P arid rhei, n ~ ~ ~ o r r i i a~r:saoo/ o rrons The vonoiu aniio,lisms proposed h) nllchil~lr!.pra ondpltronpca iun rnlmnre (he owtlohic P rfarw ofrhc rural cropptnp vnea need 10 heqwmrifird, so rhur rlielr ri,mi,hconcr and scope for cxplo8,orron ran he d~rrmiinedT. he rrjenr ,fgenotypx differcoce i f ? P-lrrr ?ffi;rficre,iiy needs ro hr adequorrb sludird m there crop? ro rhar thepenerir tniproirn~e,,r oprmtt run he upproprwreiy aarrhed

publication date

  • 1991