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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.49 No.6
- 발행연도
- 2008.12
- 수록면
- 357 - 364 (8page)
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초록· 키워드
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This research was conducted to determine the effect of root substrate formulations and pre-planting fertilizer levels on growth and nutrient contents of tomato ‘Zuiko No. 102’ seedlings grown in 72-cell plug trays. Three root substrates, coir+perlite (8:2, v/v, CP), peatmoss+perlite (8:2, v/v, PP) and coir+peatmoss+perlite (4:4:2, v/v/v, CPP), had three pre-planting fertilizer levels such as 0.5x, 1.0x and 2.0x. Elevated pre-planting fertilizer levels in the three root substrates increased plant height, fresh weight and dry weights. The fresh and dry weights in the 2.0x treatment in CP, PP and CPP substrates at 35 days after sowing were 1.97 g and 180 ㎎, 2.84 g and 245 ㎎, and 2.97 g and 235 ㎎, respectively. In comparison of the three root substrates containing equal amounts of pre-planting fertilizers, crop growth was the greatest in the PP and the least in the CPP. Elevated pre-planting fertilizer levels in each root substrate also increased the fresh and dry weights at 70 days after sowing. The seedlings grown in CPP showed the greatest dry weight followed by those in PP and CP. Elevated pre-planting fertilizer levels resulted in increase of tissue K, Ca and Mg contents and decrease of tissue Fe and Mn contents at 35 days after sowing in all substrates. However, elevated pre-planting levels decreased tissue P content in CP and CPP but increased that in PP. Elevated pre-planting fertilizer levels increased tissue Ca and ㎎ contents and decreased tissue Fe and Mn contents in all substrates at 70 days after sowing. Elevated pre-planting fertilizer levels did not affect tissue K content in PP at 70 days after sowing.
목차
Abstract
Introduction
Materials and Methods
Results
Discussions
References
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