Burley종 담배의 품종별 재식밀도 및 시비량에 따른 주요 형질의 변화 제2보. 시비량에 따른 초형 변화
Variation of Agronomic Characters in Burley Tobacco Cultivars according to Plant Density and Fertilizer Levels II. The Effect of Fertilizer Level on Plant Type
To investigate the factors of the improvement of cultivation methods according to the plant type, three Burley tobacco cultivars were done. Experiments on the variability of plant type and factors representing the productivity and quality of the cultivar were subsequently carried out in relation to different fertilizer levels. Results are summarized as below. Use of more fertilizer resulted in higher plant height and longer leaf length but smaller mean leaf inclination(MLI). The horizontal leaf area distribution became greater in parts distal to the stem and the vertical leaf area distribution became greater in lower half than in upper half as the amount of fertilizer applied was increased. Br. 49 was the largest but Br. 21 and NTN 77 were similar with respect to both CGR and NAR. The yield was greater in larger MLI cultivars. These three characteristics became greater when the tobacco were heavier in the cultivars of larger MLI and increased with higher amount of fertilizer. Harvest index became greater as the amount of fertilizer decreased but not significantly differ among the cultivars. Total nitrogen content and nitrate - form nitrogen content were greater, more amount of fertilizer, and larger MLI cultivar plots. Total nitrogen content was higher in upper leaves. The filling power of tobacco leaves decreased but combustibility of leaves showed not significant trend as fertilizer application level increased.
이 논문을 인용한 문헌 (1)
- 1997. "Fertilizer Placement Effect on Agronomic Characteristics of Burley Tobacco(N. tabacum L.)" 한국연초학회지 = Journal of the Korean society of tobacco science, 19(1): 33~39
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