EFFECT OF PLANTING DE:\,SITY ON TilE GROWTH AND YIELD OF CHINESE CABBAG E tBrussica campestris var. pekinensis L.)

Abstract

\11cxpcruncnt wus conducted In the l loruculturc farm ofShcl·,'·llangla Agrrcultural (:IIII·,'ISII\. Dhuk.i. IlanglaJesh during the pcnod trom October 20(11,to Fcbruarv 20()7 to study the effect ot JIt':~n:1lt pl:lllting dcnsitv on the growth and vrcld otChincsc eahha~.~ Diflcrcnt I,pes ot'pi:tnting ,kIlSII\ \1/ S, (50 em . 20 CI11).S, (50 em ., 30 em) and S, (50 em ' ,10 em) were used ill thiS cxpcnmcnt Tit,' l"p,'nmcnt ":lS laid OUI in the Randomized Complete Block Deslr-Il (RCllD) with SI" rcphcauons Data oil .Iulcrcnt v rcld contributing characters and yil...·ld were recorded. \'icld and )1, ..ld c.inuihuung charaClt.:fS vaned SlatlSII(all> due 10 the different planting density otChmesc lahb:Jge i\1 harv c.a. S, (50 em x 2(J ,'m) r:a1c the tall,'sl plant (2491 em) which "'as st:lIlstically Similar (2451 em) with S: uc.umcnt. wlulc the trc.umeru S, (:;1; ern . 4(1 em) gave the shortest (23 28 em) plant. During harvest. tr"alinenl S, gave the maxuuum spread or plant (43.91 em), number "f unfolded leaves per plant (1/78). davs [rom transplanting to 111!1i:tlionor Iwad (2156). davs from uunsplanung 10 head 1'>rInatlon(5.1.56). thickncsx of head (18 7tJ em). .h.imerer 1)1' head (15'13 em), fresh weight or head per plant (2.11 kg) and number or foots per plant (1725) III S, Ircatmen I whidl was statistically Jlkntical with S:;(S() (111 -", 30 ern). w hiic on l!lt.' (OJltrdl"} S. g.rvc IIll' mnunuuu s;lread of plant (4U 19 em). number of unfolded lcav cs per plant (10 X'il. ,blS 1'101ll uansplanung W miuation or head (17.33), days from trunsplanung to head f()[In:ltloll (5(' S'i I. thlc~n,'ss III' he,," (1721 em), diameter or head (1-10(, em). fresh weight of head per plant( I 02 kg I and number III' roots per plant ( 16.7·1).rl',p~etil'l'ly At harvest, rreauncnt S, gave the maximum (26 22,1number of folded Ic.ivcs per plant w lnch \,"as suuisucall. sunilar (2·t~N) to Sl tre.umcm .vhcrcas S· g:IV\.' Ih~ nununum C::·l l l l. r\.'sIX'l'li\I..·I~ lrc.umen: S~ gave the longest (6 S6 em) kngth olstcm. wlulc SI g.a\L' thl' shortest (-I X-I em) Planting dcnsitv S., gave till' highcs: gross Yield per hectare (7X 53 ion/ha) ;!f1d S. g~\\C lb·.: 1011cst ((,1) ('0 ton/ha ) rhe present results concluded Ihat the ucauncm S, (50 en: 30 ,'111)~:Ih' the