표제지
목차
I. 서론 7
II. 재료 및 방법 10
1. 공시재료 10
2. 시험방법 10
1) 머리카락 산 가수분해용액과 굴 껍질 혼합물의 제조방법 10
2) 무기물 용해성(가용화) 비교시험 11
3) 양이온 치환능력 비교시험 11
4) 토양 개량 효과 시험 11
4) 분석방법 12
III. 결과 및 고찰 13
1. 공시재료 화학적 특성 13
2. 굴 껍질과 산 가수분해용액 혼합비율에 따른 pH 및 EC변화 14
3. 굴 껍질과 산 가수분해용액 혼합비율에 따른 수용성칼슘함량 16
4. 양이온 치환능력 비교시험 18
5. 토양 개량 효과 시험 20
6. 시험토양의 무기영양원소 간에 기여도 25
IV. 결론 26
V. 참고문헌 27
Abstract 29
Table 1. Chemical properties of hair and oyster shell used for experiment 13
Table 2. Chemical properties of the soil used for experiment 13
Table 3. Change of pH and EC value according to oyster shell and acid hydrolysis solution of virgin hair mixture ratio difference by shaking 14
Table 4. Solubility calcium increase effective comparison test according to oyster shell and acid hydrolysis solution of virgin hair mixture ratio difference by shaking 16
Table 5. Exchangeability verification test of calcium, magnesium and potassium according to oyster shell and acid hydrolysis solution of virgin hair mixture ratio difference by shaking 18
Table 6. Chemical properties of the test soils according to oyster shell and acid hydrolysis solution of virgin hair mixture ratio difference 20
Table 7. The relationship between oyster shell and acid hydrolysis solution of virgin hair mixture ratio difference and content of minerals nutrient in the test soils 25
Fig. 1. Relationship between content of water soluble calcium and chlorine in oyster shell and acid hydrolysis solution of virgin hair mixed the test samples 17
Fig. 2. Ammonium and nitrate of nitrogen content difference in the test soils according to oyster shell and acid hydrolysis solution virgin hair mixture ratio 24
Fig. 3. Phosphate acid and silicate of available content difference in the test soils according to oyster shell and acid hydrolysis solution of virgin hair mixture ratio 24