• Title/Summary/Keyword: 재식밀도

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Effects of Fertilizer Level and Plant Density on Dry Stem Yield and Quality of Mat Rush (Juncus effusus L. var. decipiens Buchenan) (골풀 시비량과 재식밀도 차이가 건경 수량과 품질에 미치는 영향)

  • Shin, Dong-Young;Jung, Dong-Soo;Lim, June-Taeg;Hyun, Kyu-Hwan;Seo, Young-Nam;Kwon, Byung-Sun
    • Korean Journal of Plant Resources
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    • v.20 no.4
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    • pp.304-308
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    • 2007

  • In order to find out the optimum fertilizer level and planting density of high yielding variety, $Okayma^{#2}$, this experiment was conducted with 3 compositions of fertilizer levels and a different plant density at the experiment paddy field of mat rush in Mokpo Experiment Station, National Institute of Crop Science, RDA. $Okayma^{#2}$, mat rush variety was grown under different fertilizer level and planting density with the highest yielding. Yield components such as stem length, number of stem were highest at the plots with fertilizer level (kg/10a), 80-20-40 and planting density, 20 ${\times}$ 10cm. Judging from the results reported above, at optimum fertilizer level and planting density of mat rush seemed to be 80-20-40kg/10a fertilizer and 20cm row spacing and l0cm or I5cm planting spacing.

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Variation of Yield and Major Agronomic Characters under the Different Planting Densities of Sculellaria baicalensis (황금 재식밀도에 따른 수량 및 주요형질의 변이)

  • 이종일;안상득
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.33 no.1
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    • pp.1-4
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    • 1988

  • This study was invesigated to find out the optimum planting densities of Sculellaria baicalensis GEORGE about growth characters, yield components and yield at 6 planting densities by direct sowing culture. The results obtained are summarized as follows ; Studying the correlationship, the highly negative significances were found between planting densities and dry wights of root, leaves and stem ; on the other hand, the highly positive significances were found between planting densities and plant hight, stem diameter, respeitively. Plant height was long in dense planting, and short in spacious planting by direct sowing culture. Stem diameter was thick in spacious planting, and was thin in dense planting. Length and dry weight of root per plant were decreased in dense planting and were increased in spacious planting by direct sowing culture. Quality and yield of dry root weight were highest in optimum planting densities (30${\times}$10cm ; 33plants/m$^2$) by direct sowing culture.

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Effects of Planting Density and Fertilizer Level on Agronomic Characteristics and Yield of Solanum njgrum L. (재식밀도와 시비량이 야생약초 까마중(Solanum njgrum L.)의 주요 형질과 수량에 미치는 영향)

  • 최성규;이종일
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.36 no.4
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    • pp.340-344
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    • 1991

  • This study was investigated to find out the optimum planting densities fo Solanum njrum L. about growth characters. yield components and yield at 6 planting densities by direct sowing culture. The results obtained are summarized as follows: Studying the correlationship. the highly negative significances were found between planting densities and fresh eights weights per plant, on the other hand, the highly positive significances were found between planting densities and plant height. Plant height was long in dense planting, and short in spacious planting by direct sowing culture. Stem diameter was thick in spacious planting. and was thin in dense planting. Fresh wt. per plant was decreased in dense planting and was increased in spacious planting by direct sowing culture. Yield was highest in dense planting densities (10 x 20cm : 50plants/$m^2$) by direct sowing culture. Fertilizing ((N： P$_2$O$_{5}$ $K_2$O=6 : 6 : 6Kg/10a) was increased than without fertilizing because plant height and number of branch was good.d.

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Effects of Planting Density of Wanggol (Cyperus iwasaki Makino) on Dry Cortex and Medulla Yield at Rice Field (답전작 왕골 재식밀도 차이에 따른 수량변이)

  • 권병선
    • Korean Journal of Plant Resources
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    • v.17 no.2
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    • pp.102-106
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    • 2004

  • To determine the optimal planting density of wanggol in southern areas of Korea, Gangsan early local, the highest yielding variety was grown under four different plant density. Yield components such as stem length, number of tiller, stem diameter were highest at the plots with 18 cm row spacing and 18 cm plant spacing. Dry cortex and medulla yield were highest at the plots of 18 cm row spacing and 18 cm plant spacing. Judging from the results reported above, at optimum planting density of wanggol seemed to be 18 cm row spacing and 18 cm plant spacing.

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