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이상태 ( Sang Tae Lee ),황재홍 ( Jae Hong Hwang ),김병부 ( Byoeng Bu Kim ),이경재 ( Kyung Jae Lee ),신현철 ( Hyun Chul Shin ),박규종 ( Kyu Jong Park ) 산림경영정보학회 2004 산림경영정보 Vol.7 No.2
This study was carried out to investigate biomass of Phyllostachys bambusoides stands in Jinju, Gyeongnam Province. Three 5m×5m quadrats were set up and culms were harvested by each DBH and age. Estimate equation of biomass was used logY=logA+logDBH model. The aboveground green and dry weight were estimated to be culms 151.4(71.9%), 97.6(75.3)ton/ha, leaves 27.3(13%), 16.9(13%)ton/ha, live twigs 31.7(15%), 15(11.5%)ton/ha and dead twigs 0.3(0.1%), 0.2(0.2%)ton/ha, respectively. The N and Mg concentrations of current-year leaves and live twigs were higher than those of leaves and live twigs over 1-yr-old. Potassium concentration of live twigs over 1-yr-old considerably decreased compared with that of current live twigs. However, the Ca and Na concentrations of leaves and live twigs over 1-yr-old were higher than those of current leaves and live twigs. Nitrogen, P, K and Mg concentrations of dead twigs were lower than those of live twigs except for Ca and Na concentrations. Nutrient contents of leaves and twigs were highest in N and followed by K, Ca, P, Mg and Na.