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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.18, no.1, 2009³â, pp.40-45
µþ±â ¼ö°æÀç¹è¿¡¼­ $NO_3-N$°ú $NH_4-N$ÀÇ ºñÀ²ÀÌ 'ÀåÈñ(íñýï)'ÀÇ »ýÀ°, ¼ö·® ¹× °ú½ÇÀÇ Ç°Áú¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effect of $NO_3-N$ : $NH_4-N$ Ratio in Nutrient Solution on Growth, Yield and Fruit Quality of Strawberry 'Akihime' in Hydroponic System )
ÀüÇÏÁØ;ȲÁø±Ô;¼Õ¹ÌÀÚ;À±Çý¼÷; ´ë±¸´ëÇб³ »ý¸íȯ°æ´ëÇÐ;´ë±¸´ëÇб³ »ý¸íȯ°æ´ëÇÐ;´ë±¸´ëÇб³ »ý¸íȯ°æ´ëÇÐ;°æ»ó³²µµ ³ó¾÷±â¼ú¿ø;
 
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º» ¿¬±¸´Â µþ±â ¹è¾ç¾×ÀÇ $NO_3-N$¿Í $NH_4-N$ÀÇ ºñÀ²À» ´Þ¸®ÇÏ¿© 'ÀåÈñ(íñýï)' µþ±âÀÇ »ýÀ°, ¼ö·® ¹× °ú½ÇÀÇ Ç°Áú, ±×¸®°í ¾çÀ̿ Èí¼ö¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸°íÀÚ ¼öÇàÇÏ¿´´Ù. $NO_3-N$¿Í $NH_4-N$ÀÇ ºñÀ²Àº 5.5:0, 4.0:1.5, $3.0:2.5me{cdot}L^{-1}$·Î Á¶ÀýÇÏ¿´´Ù. ½ÇÇè±â°£ µ¿¾È ¹è¾ç¾×³»ÀÇ $NH_4-N$ÀÇ ºñÀ²ÀÌ ³ô¾ÆÁú¼ö·Ï pH°¡ ³·¾ÒÀ¸¸ç, EC´Â Àü ½ÇÇè±â°£ µ¿¾È $0.8{sim}1.0dS{cdot}m^{-1}$·Î 4¿ù ÀÌÈÄ¿¡ 5.5:0 󸮱¸°¡ ´Ù¸¥ 󸮱¸º¸´Ù ¾à°£ ³·¾ÒÀ¸³ª ±× ¿Ü¿¡´Â 󸮱¸ °£¿¡ À¯ÀÇÇÑ Â÷À̸¦ ³ªÅ¸³»Áö ¾Ê¾Ò´Ù. $NO_3-N:NH_4-N$¸¦ 3.0:2.5·Î $NH_4-N$ÀÇ ºñÀ²À» ³ô¿©µµ ¾çÀÌ¿ÂÀÇ Èí¼ö¿¡ ±æÇ×Áõ»óÀÌ ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. µþ±âÀÇ ¿±º´Àå°ú ¿±ÆøÀº $NO_3-N$ÀÇ ´Üµ¶ 󸮱¸ º¸´Ù $NO_3-N:NH_4-N$ÀÌ 4.0:1.5¿Í 3.0:2.5ÀΠ󸮱¸¿¡¼­ ´õ ±æ¾îÁ³´Ù. $NO_3-N:NH_4-N$ÀÌ 4.0:1.5¿Í 3.0:2.5 󸮱¸ °£¿¡´Â À¯ÀÇÇÑ Â÷À̰¡ ¾ø¾ú´Ù. °úÀå, °ú°æ, °úÁß, ´çµµ´Â $NO_3-N$¿Í $NH_4-N$ºñÀ² Â÷ÀÌ¿¡ µû¸¥ Åë°èÀûÀÎ À¯ÀÇÂ÷°¡ ÀÎÁ¤µÇÁö ¾Ê¾Ò´Ù. ÁÖ´ç °ú½Ç ¼ö·®Àº $NO_3-N:NH_4-N$ 4.0:1.5ÀÇ Ã³¸®±¸¿¡¼­ °¡Àå ³·¾ÒÀ¸¸ç, ³ª¸ÓÁö µÎ 󸮰£¿¡´Â À¯ÀÇÇÑ Â÷À̰¡ ¾ø¾ú´Ù. ½ÇÇè ±â°£ µ¿¾È ÀÌ»ó°ú´Â ÀüÇô ¹ß»ýÇÏÁö ¾Ê¾Ò´Ù.
The experiment has investigated the effects of growth, yield, fruit quality and cation absorption of strawberry 'Akihime' in different $NO_3-N:NH_4-N$ ratio in nutrient solution. $NO_3-N:NH_4-N$ ratios were 5.5:0, 4.0:1.5 and $3.0:2.5me{cdot}L^{-1}$. As the ratio of $NH_4-N$ increased, pH was decreased by $5.0{sim}6.0$ and EC sustained $0.8{sim}1.0dS{cdot}m^{-1}$ during experiment. Though in high $NH_4-N$ ratio of $3.0:2.5me{cdot}L^{-1}$, the absorption of cations(K, Ca and Mg) was not inhibited. Treatment in contained $NH_4-N$ showed a tendency of increasing of petiole length and leaf width. The fruit length, fruit width, fruit weight and soluble solids were not significantly different. Yield per plant was lowest in $4.0:1.5;me{cdot}L^{-1}$, of $NO_3-N:NH_4-N$ ratio. Malformation fruit has not shown during the whole growth period.
 
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¾çÀÌ¿Â;¼ö°æÀç¹è;ÀÌ»ó°ú;$NO_3-N:NH_4-N$ ºñÀ²;µþ±â;cations;hydroponics;malformation fruit;$NO_3-N:NH_4-N$ ratio;strawberry;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.18, no.1, 2009³â, pp.40-45
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200916263468251)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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