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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.13, no.4, 2004³â, pp.209-216
±¤ÇÕ¼ºÈ¿À² ¸ðµ¨À» ÀÌ¿ëÇÑ ¹ÐÆóÇü ½Ä¹° »ý»ê½Ã½ºÅÛÀÇ Àç¹èȯ°æ ÃÖÀûÈ­
( Optimization of Growth Environment in the Enclosed Plant Production System Using Photosynthesis Efficiency Model )
±è±â¼º;±è¹®±â;³²»ó¿î; ;¼­¿ï´ëÇб³ ³ó°øÇаú;Ãæ³²´ëÇб³ ³ó°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â Æó¼âÇü ½Ä¹° »ý»ê½Ã½ºÅÛ ³»¿¡¼­ »ýüÁ¤º¸¿¡ ÀÇÇÑ ÃÖÀû ȯ°æÁ¦¾î¿Í ½Ä¹°ÀÇ È¯°æ½ºÆ®·¹½º ÆÇ´ÜÀ» À§ÇÏ¿© ¿±·Ï¼ÒÇü±¤ ºÐ¼®¹ýÀ¸·Î ±¤ÇÕ¼ºÈ¿À² ¸ðµ¨À» ¸¸µé¾úÀ¸¸ç, ±¤ÇÕ¼ºÈ¿À² ¸ðµ¨¿¡ À¯Àü¾Ë°í¸®ÁòÀ» Àû¿ëÇÏ¿© Àç¹èȯ°æ ÃÖÀûÈ­ ÇÁ·Î±×·¥ÀÇ ÀÀ¿ë¼ºÀ» Æò°¡ÇÏ¿´´Ù. 6°¡Áö ¹Ì±â»ó ¿äÀÎ Áß 5°¡Áö´Â °íÁ¤Çϰí 1°¡Áö¾¿¸¸ º¯È­½ÃÄÑ °¡¸ç ÃøÁ¤ÇÑ Fv'/Fm'ÀÌ ÃÖ´ë°¡ µÇ´Â ȯ°æÁ¶°ÇÀº ±â¿Â $21^{circ}C,;CO_2$³óµµ $1,200~1,400ppm$, »ó´ë½Àµµ $68%$, ±â·ù¼Óµµ $1.4m{cdot}s^{-1}$, ¹è¾ç¾×¿Âµµ $20^{circ}C$À̾úÀ¸¸ç PPF°¡ $140{mu}mol{cdot}m^{-2}{cdot}s^{-1}$ º¸´Ù Áõ°¡ÇÒ¼ö·Ï ±¤ÇÕ¼º È¿À²Àº °¨¼ÒÇÏ¿´´Ù. ±¤ÇÕ¼ºÈ¿À²¸ðµ¨ÀÇ ¿ÀÂ÷´Â Æò±Õ $2.5%$¿´´Ù. Àç¹èȯ°æ ÃÖÀûÈ­ ÇÁ·Î±×·¥À¸·ÎºÎÅÍ °è»êµÈ ¹ÐÆóÇü½Ä¹° »ý»ê½Ã½ºÅÛ³»¿¡¼­ »óÃßÀÇ ÃÖÀûÀç¹èȯ°æÁ¶°ÇÀº ±â¿Â $22^{circ}C$, ¹è¾ç¾×¿Âµµ $19^{circ}C,;CO_2$³óµµ 1,400ppm, ±â·ù¼Óµµ $1.0m{cdot}s^{-1}$, PPF $430{mu}mol{cdot}m^{-2}{cdot}s^{-1}$, »ó´ë½Àµµ $65%$ÀÌ´Ù. ÀÌ»óÀÇ ¿¬±¸ °á°ú·ÎºÎÅÍ ±¤ÇÕ¼º È¿À² ¸ðµ¨À» ÀÌ¿ëÇÏ¿© ½Ä¹° »ý»ê½Ã¼³ÀÇ È¯°æ¸ð´ÏÅ͸µ ½Ã½ºÅÛ°ú ½Ä¹° »ýüÁ¤º¸¿¡ ÀÇÇÑ ÃÖÀûÁ¦¾î½Ã½ºÅÛÀÇ °³¹ßÀÌ °¡´ÉÇÔÀ» È®ÀÎÇÏ¿´´Ù.
This study was aimed to assess the effects of microclimate factors on lettuce chlorophyll fluorescent responses and to develop an environment control system for plant growth by adopting a simple genetic algorithm. The photosynthetic responses measurements were repeated by changing one factor among six climatic factors at a time. The maximum Fv'/Fm' resulted when the ambient temperature was $21^{circ}C,;CO_2$ concentration range of 1,200 to 1,400 ppm, relative humidity of $68%$, air current speed of $1.4m{cdot}s^{-1}$, and the temperature of nutrient solution of $20^{circ}C$. In PPF greater than $140{mu}mol{cdot}m^{-2}{cdot}s^{-1}$, Fv'/Fm' values were decreased. To estimate the effects of combined microclimate factors on plant growth, a photosynthesis efficiency model was developed using principle component analysis for six microclimate factors. Predicted Fv'/Fm' values showed a good agreement to measured ones with an average error of $2.5%$. In this study, a simple genetic algorithm was applied to the photosynthesis efficiency model for optimal environmental condition for lettuce growth. Air emperature of $22^{circ}C$, root zone temperature of $19^{circ}C,;CO_2$ concentration of 1,400 ppm, air current speed of $1.0m{cdot}s^{-1}$, PPF of $430{mu}mol{cdot}m^{-2}{cdot}s^{-1}$, and relative humidity of $65%$ were obtained. It is feasible to control plant environment optimally in response to microclimate changes by using photosynthesis efficiency model combined with genetic algorithm.
 
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±¤ÇÕ¼ºÈ¿À²¸ðµ¨;¿±·Ï¼ÒÇü±¤;À¯Àü¾Ë°í¸®Áò;ÁÖ¼ººÐºÐ¼®;chlorophyll fluorescence;JAVA;photosynthesis efficiency model;Principle component analysis;simple genetic algorithm;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.13, no.4, 2004³â, pp.209-216
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200430710425771)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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