표제지
목차
I. 서론 7
II. 재료 및 방법 10
1. 공시재료 10
2. 재배방법 10
3. 시료채취 및 생육조사 11
4. 분석방법 11
1) 상토분석 11
2) 식물체분석 11
III. 결과 및 고찰 13
1. 공시재료의 이화학적 특성 13
2. 무기영양공급조건에 따른 상토의 화학적 특성 14
3. 무기영양원소 공급에 따른 시험상토의 개량효과 기여도 19
4. 도라지에 의한 무기영양흡수 효과 21
5. 생육 및 수량조사 26
IV. 결론 29
V. 참고문헌 30
Abstract 32
Table 1. Consistency of the mineral nutrition elements used in this study 11
Table 2. Chemical properties of bed soil used for seeding experiment 13
Table 3. Chemical properties of bed soil according to mineral nutrition supply condition during the cultivation of P. glandiflorum 14
Table 4. Relationship correlation coefficient between pH, EC, nitrogen and mineral matters 20
Table 5. Chemical properties of plant materials cultivated with the supply of mineral nutrients 21
Table 6. Growth and yield of platycodon glandiflorum by mineral nutrient supply 26
Table 7. The relationship between mineral nutrients and growth, yield of platycodon glandiflorum(n=25) 27
Fig. 1. Contents of total nitrogen and inorganic nitrogen in bed soil according to mineral nutrients supply for difference period cultivated 17
Fig. 2. Content of available phosphate acid in bed soil according to mineral nutrients supply for difference period cultivated. 18
Fig. 3. Content of ammonium nitrogen and nitrate nitrogen difference by mineral nutrients during seeding cultivated for platycodon 25
Fig. 4. Platycodon seeding cultivation experiment Growth present condition 28