IMPACT OF PIIIMING PATTENNS AND NUTRIENT MANAGf,,MENT ...

12
a.zl
PBY$OLoGrcAL
LEAT AREA INDEX
rdiodic d|!! Ft iing ro Lrta6 ildq (L r) of$8!rce i. difcEnt
pLrtirg 9lrldB.!d 4lri.d tadt nt d.tid.d in FB 4.? I Thdr sE tilible
ditrNnccs ii LAJ of th. croP in dif€fen Plt ilg Plttd rnd nultiltti lcvds
durins both ys. Thli€ ws ! p.oE*is @r.e ir LN up to tlE .td of th'
si.ld srowd, Ph.$ (G4. h 6G b.Siming difa!|B iI I-4I .@ng wi@'
plsrtirg pltta$ dd nffial t.vds s4 14 viliblc Bti ltd o'| uE
.liffMccs be.m progr.sliv.ly motc p.orooncld up to tn end of Srlrd
groMn p€tiod (GCP) follo*td by . declim i. LAI toMds Phvliologicd
nEnriy. Th.lrEd of LAI s liEibt i! bolt vqs llo9wq' qop 9v'
gr.aler LAI h 199!94 thd in 1992-93 This w$ duc !o mrc avoablc clitndic
ondilio.r, viz , nor€ r.inf.ll $d lighcr RlI dudng 1993-9't rhd lhos in | 992-
93 (r,s 3.2).
A! lh. plutilg pttl4 dd rutj. lewlt prcducd lignif@t tv diff€rat r'AI
dding both t@5 (TaU6 4.2 1 A) Howeq ln. cf-t of tsr o' I-AI *s mn-
sjgnilidt. On 0s bsb of rqo-)t B &qi8e drt.' $gnce gom in dB htd
thc Minuh t-AI of s?5 lnd w$ foloeld bv th|l i! doublcro* oip !d
siryle rcw pl&tatioi! which sdtibited LAI of 556&d472, @p61ivdv l!
wious pbltitrg pan@ ditr@ti LN slv b. @it'd to wirbL lc'f logd\