표제지
목차
I. 緖言 7
II. 硏究史 9
III. 材料 및 方法 13
IV. 結果 및 考察 16
1.생육과 수량 16
2. 베드 재료별 경제성 비교 25
V. 綜合考察 30
VI. 摘要 33
參考文獻 35
Abstract 39
감사의 글 41
Table 1. Effects of bed materials on early plant growth of strawberry grown in styrofoam bed and in tarpaulin sheet bed. Data were collected on December 10, 2002. 16
Table 2. Effects of bed materials on the peak period of growth of strawberry grown in styrofoam bed and in tarpaulin sheet bed. Data were collected on April 10, 2003. 17
Table 3. Effects of bed materials on yield of Akihime strawberry grown in styrofoam bed and in tarpaulin sheet bed. 17
Table 4. Expenses of tarpaulin sheet and styrofoam bed of 10a. 26
Table 5. Expenses of steel frame for tarpaulin sheet bed and styrofoam bed of 10a. 27
Table 6. Initial facility expense and annual fixed expense of tarpaulin sheet bed and styrofoam bed of 10a. 28
Fig. 1. Cross-sectionalview of tarpaulin sheet bed. 13
Fig. 2. Styrofoam bed(upper) and tarpaulin sheet bed(lower). 14
Fig. 3. Akihime strawberry grown in tarpaulin sheet bed system. 18
Fig. 4. Changes in marketable yield of Akihime straw berry grown in raised bed culture. Fruits were harvested from December 12, 2002 to May 30, 2003. Vertical bars indicate 18
Fig. 5. Soluble solid of Akihime strawberry grown in styrofoam bed and in tarpaulin sheet bed. Fruits were harvested from December 12, 2002 to May 30, 2003. Vertical bars 19
Fig. 6. Firmness of Akihime strawberry grown in styrofoam bed and in tarpaulin sheet bed. Fruits were harvested from December 12, 2002 to May 30, 2003. Vertical bars indicate 20
Fig. 7. Minimum temperature of root zone in styrofoam bed and tarpaulin sheet bed. 22
Fig. 8. Thermal curtain of root zone in tarpaulin sheet bed. 24