A Study on Seed Germination, Seedling Growth and Absorption of Inorganic Nutrients of Deutzia crenata Seedlings Treated with Poultry Manure

계분 처리에 의한 빈도리나무(Deutzia crenata) 종자발아·유묘생육 및 무기물 흡수에 관한 연구

Abstract

This study was conducted to obtain proper amount of solid poultry manure in the beginning phase of Deutzia crenata growth. Seedling growth increment, dry weight, inorganic matter uptake and chemical changes of soil according to the concentration of solid poultry manure fertilization. 1. When treated with solid poultry manure, seed germination rate was highest on the control. However, germination rates tended to decrease when treated with at high concentrations. 2. The growth of seedlings treated with poultry manure was always higher than that in control. At the 1.0% of poultry manure treatment, the growth rate and dry weight of the seedlings was highest. 3. The amount of inorganic nutrients absorbed by the seedling was generally high with the 1.0% treatment, declined sharply with the 2.0% treatment. 4. For the planting soil of Deutzia crenata, the higher the concentration of poultry manure, the lower the soil pH. However, nitrogen, available P, K, Na and Mg contents in the soil have increased with higher concentrations.

본 연구는 빈도리나무를 대상으로 고형 계분의 시비 농도에 따른 빈도리나무 종자의 발아율, 묘목의 생장량, 건중량을 조사하였고, 재료 및 방법에 기술한 방법에 준하여 체내 무기양분 흡수량 및 토양의 화학적 변화 등을 분석하여 빈도리나무 유묘의 생장에 고형 계분의 적정 시용량에 대한 자료를 얻고자 실시하였다. 1. 고형 계분 처리 시 빈도리나무의 종자발아율은 대조구가 가장 높았으며, 고농도 계분 처리 시 발아율은 감소하는 경향을 나타냈다. 2. 묘의 생장량은 계분 처리구가 대조구 보다 모두 높은 생장량을 보였고, 유묘의 생장과 건중량에서도 1.0%처리구에서 가장 컸다. 3. 체내 무기양분 흡수량은 계분 처리 1.0%처리구에서 대부분 높았으며 2.0%에서 급격히 흡수량이 떨어졌다. 4. 빈도리나무 식재 토양의 경우 계분을 고농도로 처리할수록 pH는 낮아지고, 토양 중 잔류된 전질소, 유효인산, 치환성 K, Na 및 Mg 함량은 높아졌다.

Figure 1. Monthly changes of average air temperature and relative humidity in the glass house.

Figure 2. Percentage of germination (survival rate) of Deutzia crenata seeds in each soil poultry manure treatment.

Figure 3. Height growth of Deutzia crenata treated with poultry manure for 80 days.

Photo 1. Growth of Deutzia crenata treated with dried poultry manure for 80days.

Figure 4. Dry weight of Deutzia crenata treated with dried poultry manure for 90 days.

Table 1. Physical and chemical properties of soil used in the experiment.

Table 2. Component of dried poultry manure used in the experiment.

Table 3. Germination survival rates of Deutzia crenata in poultry manure.

Table 4. Dry weight of root, stem, and leaf of Deutzia crenata treated with dried poultry manure for 90 days.

Table 5. Absorption of inorganic matter of Deutzia crenata treated with dried poultry manure.

Table 6. Chemical properties of soil treated with dried poultry manure for 90days.