Pengaruh Jarak Tanam dan Teknik Pemeliharaan Terhadap Pertumbuhan Kenuar (Shorea johorensis Foxw.) di Hutan Semak Belukar Wanariset Samboja, Kalimantan Timur

Abstract

ABSTR4CT ](e/raar (Shoreajohorensis Foxw) is one ofshoreaspecies that is thost potentialforforest plonlations-This research was to determile tlrc best a d mosl ellective uaintenance treatment lo the growth ofkeh ar Theresearchwas conducted on a degrudedJbreslwithin thefolest research area ofSeed Technology ResearclxI stitLie, Sa boja. The shrdy tookplacefrom Norember 2004 to Noyember 2006. Split plot design was used in \rhich spacilg was the ain plot and ntaintenance treatnenl was the subplot $'ith three replicatiolls. The analysis ofwtiakce showed lhat only maintenance trealnetlt signifcantb, allects sut'vival percentage, heighl gtowh and diahteter grcwtl\. Group, spacing and inkrncion ofspacing gave no eflect that is statistically signtfcant. The average 01'surrival rate, height gowth ancldiameter growth are76.34 96,62.04 cnt and 0-31 cm, respecti'ely, BNT test inclicctted that these ayel'ages a1.e associated with the effects ofre ical tuaintenance trcatment