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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.4, no.2, 1995³â, pp.188-194
¹æ¿ïÅ丶Åä ´ã¾×Àç¹è½Ã $ extrm{NH}_4 extrm{H}_2 extrm{PO}_4$ ³óµµ¿¡ ±âÃÊÇÑ ¹è¾ç¾× Á¶Àý
( Management of Nutrient Solution Based on $ extrm{NH}_4 extrm{H}_2 extrm{PO}_4$Concentration in Deep Flow Culture of Cherry Tomato )
À̹®Á¤;±è¼ºÀº;±è¿µ½Ä; »ó¸í´ëÇб³ ¿ø¿¹Çаú;»ó¸í´ëÇб³ ¿ø¿¹Çаú;»ó¸í´ëÇб³ ¿ø¿¹Çаú;
 
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¾ß¸¶ÀÚŰ Å丶Åä¿ë ¹è¾ç¾×À» ÀÌ¿ëÇÏ¿© Å丶Å並 ´ã¾× Àç¹èÇÒ °æ¿ì, pH 7.5 Á¤µµÀÎ ¼öµ¾¹°À» ¿ë¼ö·Î ÇÑ ¹è¾ç¾×¿¡ NH$_4$H$_2$PO$_4$¸¦ »ç¿ëÇÏ¹Ç·Î½á ¹è¾ç¾×ÀÇ pH¸¦ ¾ÈÁ¤½ÃŰ´Â µ¿½Ã¿¡, ÀûÁ¤ ½Ä¹°»ýÀåÀ» À¯µµÇÒ ¼ö ÀÖ´Â NH$_4$H$_2$PO$_4$³óµµ¸¦ ã°íÀÚ ½ÇÇèÀ» ¼öÇàÇÏ¿´´Ù. ±× °á°ú NH$_4$H$_2$PO$_4$ÀÇ ³óµµ¸¦ Áõ°¡½ÃÅ´¿¡ µû¶ó ¹è¾ç¾×ÀÇ pH°¡ °¨¼ÒÇÏ´Â °æÇâÀ» º¸¿´À¸¸ç, EC´Â ¹Ý´ëÀÇ °æÇâÀ» º¸¿´´Ù. NH$_4$-N 8/3 me/$ell$ 󸮱¸¿¡¼­´Â ½Ä¹°Ã¼¿¡ ȲȭÇö»óÀÌ ³ªÅ¸³µ´Ù. NH$_4$-NÀÌ 4/3 me/$ell$ ȤÀº 5/3 me/$ell$ÀΠ󸮱¸¿¡¼­ pH¿Í EC¸¦ ¾ÈÁ¤ÀûÀ¸·Î À¯ÁöÇÒ ¼ö ÀÖ¾ú´Ù. ¿±ÀåÀ̳ª ÁÙ±âÁ÷°æÀº NH$_4$-N 2/3 me/$ell$󸮱¸¿¡¼­ Å« °ªÀ» ³ªÅ¸³Â°í, °ú½ÇÀÇ ´çµµ´Â NH$_4$-N 5/3 me/$ell$ 󸮱¸¿¡¼­ °¡Àå ³ô¾Ò´Ù. ÀÌ»óÀÇ °á°ú·ÎºÎÅÍ, Å丶ÅäÀÇ ´ã¾× Àç¹è½Ã ¼öÈ®±â ÀÌÀü¿¡´Â NH$_4$-NÀ» 2/3 me/$ell$·Î Çϰí, ¼öÈ®±â¿¡´Â NH$_4$-NÀ» 4/3-5/3 me/$ell$·Î ÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÑ °ÍÀ¸·Î »ç·áµÇ¾ú´Ù.
This study was carried out to investigate the effect of NH$_4$H$_2$PO$_4$ on pH stabilization in deep flow culture system using tap water, and to determine the optimum range of NH$_4$H$_2$PO$_4$ in culture solution. The pH of tap water is 7.5. The higher the concentration of NH$_4$H$_2$PO$_4$ was, the more the pH of nutrient solution was decreased. In NH$_4$H$_2$PO$_4$ 4/3-5/3 me/$ell$, the pH of nutrient solution was 6-7.5 during the experiment. The highest brix(%) was obtained in NH$_4$H$_2$PO$_4$ 5/3-6/3 me/$ell$. Leaf length, leaf width and stem-base diameter were highest in NH$_4$H$_2$PO$_4$ 2/3 me/$ell$. The L and b£ª values were highest and the a£ª value was lowest in NH$_4$H$_2$PO$_4$ 8/3 me/$ell$. Toxicity symptom of ammonium appeared in NH$_4$H$_2$PO$_4$ 8/3 me/$ell$. It suggests that there was the relationship between leaf color and growth condition. It was concluded that NH$_4$H$_2$PO$_4$ 2/3 me/$ell$ was good before harvest stage and NH$_4$H$_2$PO$_4$ 5/3-6/3 me/$ell$ at harvest stage.
 
Ű¿öµå
¼ö°æÀç¹è;´ã¾×¼ö°æ;¹æ¿ïÅ丶Åä;Àλê¾Ï¸ð´½;¹è¾ç¾×;hydroponics;deep flow culture;cherry tomato;$ extrm{NH}_4 extrm{H}_2 extrm{PO}_4$;nutrient solution;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.4, no.2, 1995³â, pp.188-194
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511922404669)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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