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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.19, no.3, 2010³â, pp.123-129
Àú¿Â±â µþ±â °í¼³ ¼ö°æÀç¹è½Ã ¿Â½Ç±â¿Â¿¡ µû¸¥ ¹èÁö³» ¿Âµµ°­ÇÏ ¸ðµ¨ °³¹ß
( Modeling of Medium Temperature Drops of the Elevated-bench Hydroponics for Strawberry Cultivation during Low Temperature Season )
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º» ¿¬±¸´Â Àú¿Â±â µþ±â °í¼³ ¼ö°æÀç¹è ¹æ½ÄÀÇ ¹èÁö ³» ¿Âµµ °ü¸®¸¦ À§ÇÑ ±âÃÊÀڷḦ ¾ò±â À§ÇÏ¿© º£µå 2Á¾·ù(Ç÷£Æ®Çü, VÇü), ¹èÁö 4Á¾·ù(¿Õ°Ü, ÆÞ¶óÀÌÆ®, ¿Õ°Ü 80% + ÇÇÆ®¸ð½º20%, ÈÙ¶óÀÌÆ®80% + ÇÇÆ®¸ð½º20%), ¸ÖĪ 2Á¾·ù(¸Öι«, ¸ÖĪÀ¯)ÀÇ Ã³¸®±¸º°·Î ¿Â½Ç±â¿Â 4¼öÁØ(1.5, 3.2, 5.0, $6.7^{circ}C$)¿¡ µû¸¥ ¹èÁö ³» ¿ÂµµÀÇ º¯È­¸¦ ÃøÁ¤ÇÏ¿´´Ù. ±× °á°ú, º£µåÀÇ ¿Âµµ°­ÇÏ´Â VÇü º£µå°¡ Ç÷£Æ®Çü º£µåº¸´Ù Æò±Õ $1.2{sim}20^{circ}C$ ´À¸®°Ô ³ªÅ¸³µÀ¸¸ç, VÇü º£µåÀÇ º¸¿Â È¿°ú°¡ Å©°Ô ³ªÅ¸³µ´Ù. ¹èÁöÀÇ Á¾·ùº°·Î´Â ¿Õ°Ü 80%ÀÇ ¹èÁöº¸´Ù ÆÞ¶óÀÌÆ® 80%ÀÇ ¹èÁö¿¡¼­ ¸ÖĪÀÇ À¯¹«¿¡ °ü°è¾øÀÌ ¹èÁö¿Â °­Çϰ¡ ¾à $7^{circ}C$ ´À¸®°Ô ³ªÅ¸³µ´Ù. ¸ÖĪÀ¯¹«º°·Î´Â ¸ÖĪÇÑ °æ¿ì¿¡¼­ ¿Âµµ°­Çϰ¡ ´À¸®°Ô ³ªÅ¸³ª ¸ÖĪÀ» ÇÏ´Â °ÍÀÌ ¹èÁö¿Â À¯Áö¿¡ À¯¸®ÇÏ¿´´Ù. º¸¿ÂÈ¿°ú°¡ Å« VÇü º£µå, ÆÞ¶óÀÌÆ®80% + ÇÇÆ®¸ð½º20% ¹èÁö, ¸ÖĪÇÑ °æ¿ìÀÇ ¹èÁö¿Â °­ÇÏ ¸ðÅÚÀº f(x) = -0.2656 + 0.1345x·Î ³ªÅ¸³µÀ¸¸ç, °³¹ßµÈ ¸ðµ¨À» ÀÌ¿ëÇϸé Àú¿Â±â¿¡¼­ ¾ß°£ÀÇ ¿Â½Ç ³» ±â¿Â¿¡ µû¸¥ ¹èÁö³»ÀÇ ¿Âµµ°­Çϸ¦ ¿¹ÃøÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù.
A study on modeling of medium temperature drops of the elevated-bench hydroponic system for strawberry cultivation during low temperature season was conducted. Four different conditions were used for the experiment. These consisted of two kinds of bed types (plant, V), four kinds of medium (rice, perlite, rice hulls80% and peatmoss20%, perlite80% and peatmoss20%), two kinds of mulched bed (mulched, non mulched) and four kinds of greenhouse air temperature (l.5, 3.2, 5.0, $6.7^{circ}C$), and the results were summarized as follows: Temperature drop of medium in the V-bed was slower than that in the plant bed, showing better insulation effect of V-bed. Temperature drop of medium with mulching on the top of the bed was slower than the case without mulching, as a result, the beneficial effect of temperature drop was appeared in mulched bed. Linear regression of the temperature descent rate and the temperature difference between medium and air showed significant correlation. The regression equation for the Pearlite80% and Peatmoss20% in the V-bed was f(x) = -0.2656 + 0.1345x at the $R^2$ of 0.9269. Using the model, the temperature drop during night can be predicted for the various media at the different depths.
 
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µþ±â;º£µå;¼ö°æÀç¹è;ÆÞ¶óÀÌÆ®;bed;hydroponics;pearlite;strawberry;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.19, no.3, 2010³â, pp.123-129
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201009654400212)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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