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연구논문(硏究論文) : 토양개량제 처리가 물푸레나무와 소나무 묘목의 생장과 양분농도에 미치는 영향
박병배 ( Byung Bae Park ),변재경 ( Jae Kyung Byun ),조민석 ( Min Seok Cho ),한시호 ( Si Ho Han ),정문호 ( Mun Ho Jung ),김세빈 ( Se Bin Kim ),배기강 ( Kikang Bae ) 한국환경복원기술학회(구 한국환경복원녹화기술학회) 2016 한국환경복원기술학회지 Vol.19 No.2
The production of high quality seedlings is a very important phase in silvicultural systems for successful reforestation or restoration. The purpose of this study was to measure both growth performances and nutrient responses of Fraxinus rhynchophylla and Pinus densiflora seedlings, which are commercially planted in Korea, according to soil improvement treatments. We applied 8 types of soil improvements: control with no treatment, compost B and compost Y as organic materials, vermiculite, perlite, two level of zeolite, and mix of vermiculite, perlite, and zeolite as inorganic materials in a permanent national nursery. Only compost B treatment significantly increased soil pH, organic matter, total nitrogen, available phosphorus, exchangeable potassium and calcium at the 0-10 cm soil depth. The growth of F. rhynchophylla and P. densiflora was the highest at the compost B treatment and the lowest at the vermiculate treatment. Compost B treatment allocated more carbon to aboveground than belowground by 39%, especially to foliage. On the vector diagnosis, there was ``shortage`` on compost B treatment because of all increases of N contents, N concentrations, and growth and ``over accumulation`` on vermiculite treatment because of more N uptake compared with dry weight increase. This study suggested optimal use of soil improvements is very important to improve soil quality in a permanently used nursery.