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아까시나무 조림이 토양에 미치는 영향을 파악하기 위하여 아까시나무 조림지와 인접하고 있는 다른 임분의 토양 이화학적 성질을 비교, 분석하여 토양특성의 변화에 대해 조사하였다. 아까시나무 조림지와 인접 임분의 토성은 대부분 사양토와 양질 사토로 나타났다. 토양 pH, 유효인산의 함량, 탄소와 전질소의 함량이 아까시나무 조림지와 인접 임분사이에 차이가 있음을 확인할수 있었다. 아까시나무 조림지에서 토양 pH와 탄소의 함량은 참나무류림보다는 낮지만, 소나무류림보다는 높았으며, 유효인산과 질소의 함량은 아까시나무 조림지가 인접 임분보다 높게 나타났다. 각 임분들 사이에서는 토양 pH가 높은 통계적인 유의성을 보였으며, 탄소와 전질소함량에서도 통계적인 유의성이 있었다. 또한 토양 pH, 탄질률, CEC, 전질소함량 순으로 높은 상관관계를 보였다. 아까시나무가 인접하고 있는 참나무류림과 소나무류림에 침입하는 정도를 다르게 할 수 있다고 추론할 수 있었다.
The object of this study was to analyze influence which Black locust afforestation affected to soil, to research change of soil environment of Black locust planted stand and adjacent stands through comparative analyzing physichemical property of soil of them. It was investigated that the soil texture of Black locust planted stand and the adjacent stands was mostly SL. and LS. According to this result I could know that transformation of soil texture by vegetation easily happened because transformation soil texture results from the parent rock. I could ascertain that difference existed between Black locust planted stand and the other stands in soil pH and Carbon content of planted stand of Black locust pH, contents of Available Carbon, Total Nitrogen. In other words, pH and Carbon content of Black locust planted stand were lower than that of Oak forest, higher than that of Pine forest. These results showed that Black locust was which fix nitrogen. I could infer that Black locust afforestation made forest soil fertilized. In soil of Black locust planted stand and the adjacent stands, statistical value appeared highly in pH and existed in content of Carbon, Total nitrogen, too. And high interrelationship appeared in the order of pH, C/N Ratio, CEC, Total nitrogen content was in each stands. I suppose that the trespassing extent of Black locust to Oak forest and Pine forest which are adjacent to planted stand of Black locust is different because of low pH, lackness of Available Carbon, and what not.
