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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.14, no.4, 2005³â, pp.269-274
½ÇÆÄÀÇ ¼ö°æÀç¹è¿¡ ÀûÇÕÇÑ ¾ç¾×³óµµ ±¸¸í
( Investigation of Optimal ionic Concentration of Nutrient Solution for the Water Culture of Young Welsh Onion )
¿øÀçÈñ;±è»ó¼ö;Á¤º´Âù;¹Ú±Ç¿ì; °­¿øµµ³ó¾÷±â¼ú¿ø;°­¿øµµ³ó¾÷±â¼ú¿ø;°­¿øµµ³ó¾÷±â¼ú¿ø;°í·Á´ëÇб³ ¿ø¿¹°úÇаú;
 
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½ÇÆÄ¿ëÀ¸·Î ÀûÁ¤ ¾ç¾×³óµµ¸¦ ±¸¸íÇϰíÀÚ ¼ö°æÀç¹è¿ëÀ¸·Î ¼±¹ßÇÑ '±ÝÀå¿Ü´ëÆÄ'¿Í 'ÅäÄ챸·ÎÆÄ' ǰÁ¾À» °ø½ÃÇÏ¿© ´ã¾×½ÄÀ¸·Î ÇÏ¿© ½ÃÇèÀ» ¼öÇàÇÏ¿´´Ù. ¾ç¾×Á¾·ù ½ÃÇèÀ» ÅëÇØ ¼±¹ßµÈ ¾ß¸¶ÀÚŰ ó¹æÀÇ ½ÏÆÄ Àü¿ë ¾ç¾×$(NO_3^--N;9.0,;NH_4^+-N;3.0,;PO_4^{3-}-P;6.0,;K^+7.0,;Ca^{2+};2.0,;Mg^{2+};2.0,;and;SO_4^{2-}-S;4.4me{cdot}L^{-1})$À» ÀÌ¿ëÇÏ¿© EC 0.6, 1.2, 1.8, $2.4dS{cdot}m^{-1}$ÀÇ 4¼öÁØÀ¸·Î ó¸®ÇÑ °á°ú ÃÊÀå, ±¸´ç »ýüÁß°ú °Ç¹°Áß¿¡ À־ µÎ ǰÁ¾ ¸ðµÎ EC 1.2, 1.8, 2.4, $0.6dS{cdot}m^{-1}$ ¼øÀ¸·Î ¾çÈ£ÇÏ¿´´Ù. ÃÖ´ë »ýüÁßÀ» À§ÇÑ ³²Àå¿Ü´ëÆÄ¿Í 'ÅäÄ챸·ÎÆÄ'ÀÇ 2Â÷ ȸ±Í°î¼±½ÄÀº $y=-42.091x^2+171.79x+11.047 (R^2=0.8946,; R=0.9458^*)$¿Í y=-50.069x2+157.58x+15.414$(R^2=0.9343,;R=0.9692^{**})$ À̾ú°í, ÀÌ¿¡ µû¸¥ ÀûÁ¤ ¾ç¾×³óµµ´Â °¢°¢ $1.68dS{cdot}m^{-1}$°ú $1.57dS{cdot}m^{-1}$¼öÁØÀ̾ú´Ù. µû¶ó¼­ ½ÇÆÄ ¼ö°æÀç¹è½Ã »ýÀ° Ãʱ⿡´Â ¾ç¾×À» $1.2dS{cdot}m^{-1}$¼öÁØÀÇ Àú³óµµ·Î À¯ÁöÇϰí Á¤½Ä ÈÄ 30ÀϰæÀÎ »ýÀ° Áß±â ÀÌÈÄ¿¡´Â $1.6~1.7dS{cdot}m^{-1}$¼öÁØÀÇ ³óµµ·Î À¯ÁöÇÏ´Â °ÍÀÌ È¿À²ÀûÀÌ¶ó ¿©°ÜÁø´Ù.
The purpose of this experiment was to investigate optimal ionic concentration of nutrient solution for water culture of young welsh onion (Allium fistulosum). For the purpose of clarification of optimal nutrient concentration to maximize growth of young welsh onion, different nutrient concentrations of Yamazaki's solution for welsh onion seedling $(NO_3^--N;9.0,;NH_4^+-N;3.0,;PO_4^{3-}-P;6.0,;K^+7.0,;Ca^{2+};2.0,;Mg^{2+};2.0,;and;SO_4^{2-}-S;4.4me{cdot}L^{-1})$ which selected by prior experiment were treated as 0.6, 1.2, 1.8, and $2.4dS{cdot}m^{-1}$. Increments of fresh weight, dry weight and top length were the highest in 1.2 and, in the next, were placed by the order of 1.8, 2.4, and $0.6dS{cdot}m^{-1}$ The regression coefficients for the maximal growth of fresh weight of cv. 'Geurnjanguedaepa' and 'Tokyokuro' were $y=-42.091x^2+171.79x+11.047 (R^2=0.8946,; R=0.9458^*);and;y=-50.069x2+157.58x+15.414(R^2=0.9343,;R=0.9692^{**})$, respectively, and optimal EC levels according to regression coefficients were 1.68 and $1.57dS{cdot}m^{-1}$. As the conclusions, optimal nutrient levels far young welsh onion were $1.2dS{cdot}m^{-1}$ EC in the early growth stage and $1.6~l .7dS{cdot}m^{-1}$ in the later growth stage.
 
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»ýüÁß;À̿³óµµ;Àü±âÀüµµµµ;ȸ±Í°è¼ö;electric conductivity;fresh weight;ionic concentration;regression coefficients;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.14, no.4, 2005³â, pp.269-274
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200509408761570)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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