본 연구는 식생기반재인 피트모스를 대체하기 위하여 우드칩에 폭쇄처리를 적용해 보았으며, 물리 화학적 분석을 통해 피트모스와 특성을 비교하였다. 또한 피스모스와 전처리 우드칩을 각각 90 : 10, 70 : 30 및 50 : 50 (w/w) 비율로 혼합하여 식생기반재를 제조한 다음 물리 화학적 특성 및 생육 특성을 비교하였다. 전처리 우드칩의 부피밀도, 공극률 및 pH는 각각 $0.26g/cm^3$, 93.3% 및 5.7로 나타났으며, 이는 식생기반재로서 적합한 물리 화학적 범위에 포함되는 것으로 확인되었다. 특히, 피트모스와 전처리 우드칩을 70 : 30 (w/w) 혼합하여 제조된 식생기반재는 배추, 잔디 및 싸리에 있어서 피트모스보다 높은 발아율, 초장생장 및 잎 생장을 나타냈으며 또한, 식물생장에 적합한 부피밀도, 공극률, 수분보유력, pH 및 C/N비를 나타냈다(각각 $0.20g/cm^3$, 91.8%, 76.1%, pH 5.2 및 51.0).
This study was carried out to evaluate the physicochemical properties of steam exploded wood chips for peat moss substitute in vegetation media. Also, the mixtures at the different ratios of peat moss and pretreated wood chips (90 : 10, 70 : 30 and 50 : 50 (w/w), respectively) were evaluated by physicochemical and plant growth characteristics. The pretreated wood chips was showed that bulk density, porosity and pH were $0.26g/cm^3$, 93.3% and 5.7, respectively. This result indicates that physicochemical properties was improved when wood chips was apply to steam explosion in the range of optimum physicochemical condition for vegetation media. In particular, the mixture ratio of peat moss and pretreated wood chips to 70 : 30 (w/w) showed higher seed germination, plant height and leaf growth than peat moss. Also, the bulk density, porosity, water holding capacity, pH and C/N ratio were $0.20g/cm^3$, 91.8%, 76.1%, 5.2 and 51.0 in the range of optimum physicochemical condition for vegetation media.
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