표제지
목차
Abstract 8
I. 서론 10
II. 연구사 12
III. 재료 및 방법 15
1. 토양 및 관수량에 따른 kenaf 생육 평가 방법 15
1.1. 재배장소 15
1.2. 육묘방법 15
1.3. 토양조성 15
1.4. 관수방법 15
1.5. 생육조사 15
1.6. 통계처리 16
2. 가축 분뇨의 퇴비화 수분 조절제로서 kenaf의 유용성 평가 방법 17
2.1. 시험 기간 및 공시 재료 17
2.2. 시료의 입자 17
2.3. 수분 함량 17
2.4. 수분 흡수율 17
2.5. 시료의 수분 증발률 18
2.6. C/N 비 18
2.7. 시료의 용적중 및 pH 19
2.8. 부위별 혼합 비율에 따른 수분 흡수능 평가 19
IV. 결과 및 고찰 20
1. 토양 및 관수량에 따른 kenaf 생육 20
2. 가축 분뇨의 퇴비화 수분 조절제로서 kenaf의 유용성 26
V . 적요 34
VI. 인용문헌 35
Table 1. Soil mixture ratio and irrigation level of this experiment. 16
Table 2. Ingredient contents of organic fertilizer for dressing. 16
Table 3. Effect of soil composition and irrigation level on the growth of kenaf. 21
Table 4. Effect of soil composition and irrigation level on the fresh and dry weight of kenaf. 24
Table 5. Effects of soil mixture and irrigation level on the pH and EC of kenaf growing medium. 25
Table 6. The water absorption rate of kenaf, chaff and sawdust (%). 28
Table 7. The evaporation rate of kenaf, chaff and bulk sawdust (%). 29
Table 8. The content of C/N ratio in kenaf, chaff and bulk sawdust. 30
Table 9. The pH value of kenaf, chaff and bulk sawdust in distilled water extract. 32
Table 10. The percentage of water content of bulk agents (%). 33
Table 11. The percentage of water absorption rate of bulk agents composition (%). 33
Fig. 1. The volume weight of kenaf, chaff and bulk sawdust. The bast, core and leaf of kenaf were divided by particle size; A, ≥ 4 cm; B, ≤ 4 cm, ≥ 0.25 cm; C, ≤ 0.25 cm. 31
Photo 1. Kenaf growth as according by soil composition and irrigation. A, D; -7Mpa, B,E; -15Mpa, C,F; -22Mpa. 22
Photo 2. Kenaf root growth as according by soil composition and irrigation. A, D; -7Mpa, B,E; -15Mpa, C,F; -21Mpa. 22
Photo 3. Kenaf stem growth as according by soil composition and irrigation. A, D; -7Mpa, B,E; -15Mpa, C,F; -22Mpa. 23
Photo 4. Part of harvested kenaf. A-C; Before dry, D-F; After dry. A, D; Core, B, E; Bast, and C, F; Leaf 27
Photo 5. Forming form of dryed kenaf core. A;≤ 0.25 cm, B; ≤ 4 cm, ≥ 0.25 cm C; ≥ 4cm 27