시비 처리가 묘목의 생장 및 양분에 미치는 영향 = Effects of Fertilization Treatment on Growth and Nutrition of Tree Seedlings

다국어 초록 (Multilingual Abstract)

This study was conducted to develop new fertilizers which can be applied to various environmental conditions. Fertilizers with different levels of nitrogen, phosphorus, potassium and different types and amount of combined fertilizers were used on 1-1 seedlings of Pinus densiflora, Larix leptolepis, Quercus acutissima, and Betula platyphylla var. japonica. Biomass, SLA (Specific Leaf Area) and chlorophyll content of foliage were measured. Biomass of foliage, shoot, and root showed no differences among fertilization treatments. Biomass of double treatments of solid-combination fertilizer and UF combination fertilizer increased whereas those of triple treatments decreased. SLA (cm^(2)/g) was highest in the control showing 207.5 in Q. acutissima and 202.0 in B. platyphylla var. japonica and SLA of P. densiflora for the 6:4:1 treatment and L. leptolepis for the 3:4:1 treatment showed highest with 59.2 and 110.0, respectively. Chlorophyll contents (mg/g) in foliage of P. densiflora and L. leptolepis fertilized with the 6:4:1 treatment were 0.222 and 0.127, respectively, and these contents were higher than those of the 3:4:1 treatment with 0.211 and 0.082, respectively. These results suggest that higher nitrogen fertilization increased chlorophyll contents. Root N and P contents in P. densiflora, B. platyphylla var. japonica and Q. acutissima for the 3:8:1 treatment showed the highest level, but in L. leptolepis highest for the 6:4:1 treatment. Root N content in P. densiflora and root and foliage N contents of Q. acutissima with the solid combination fertilizer application were higher than those of UF combination fertilizer treatment. However, root N content in B. platyphylla var. japonica as well as foliage P content in Q. acutissima and foliage and root P contents in B. platyphylla var. japonica with the UF combination fertilizer were higher than those of the solid combination fertilizer.

목차 (Table of Contents)

• Abstract
• 목차
• List of Tables
• List of Figures
• 1. 서론
• 2. 재료 및 방법
• 2.1 포트 제작
• 2.2 시비처리
• 2.3 묘목의 수확 및 생체량 측정
• 2.4 엽면적 및 엽록소 함량 측정
• 2.5 양분분석
• 2.6 통계분석
• 3. 결과 및 고찰
• 3.1 생체량
• 3.2 엽면적 변화
• 3.3 엽록소 함량
• 3.4 질소, 인의 양분농도
• 3.5 칼륨, 칼슘, 나트륨, 마그네슘의 농도
• 4. 결론
• 5. 요약
• 6. 참고문헌