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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.7, no.1, 1998³â, pp.43-54
Å丶ÅäÀÇ ¼øÈ¯½Ä °íÇü¹èÁöÀç¹è¿¡ ÀûÇÕÇÑ ¹è¾ç¾× °³¹ß
( Development of Optimal Nutrient Solution for Tomato Substrate Culture in Closed System )
ÃÖÀº¿µ;ÀÌ¿ë¹ü;±èÀ翵; ¼­¿ï½Ã¸³´ëÇб³ ȯ°æ¿ø¿¹Çаú;¼­¿ï½Ã¸³´ëÇб³ ȯ°æ¿ø¿¹Çаú;°Ç±¹´ëÇб³ ¿ø¿¹Çаú;
 
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¼øÈ¯½Ä ÆÞ¶óÀÌÆ® °íÇü¹èÁö°æ¿¡¼­ Å丶ÅäÀÇ ¿µ¾ç°ú ȯ°æÆ¯¼ºÀ» °í·ÁÇÑ »ýÀ°´Ü°èº° ÃÖÀû ¹è¾ç¾×À» °³¹ßÇϰíÀÚ ÀϺ» ¾ßä½ÃÇèÀåÇ¥Áؾ×(¾ß½Ã¾×)À» 2 ¼öÁØ(l/2, 1.0 ¹è¾×)À¸·Î ÇÏ¿© ½ÇÇèÀ» ÇÏ¿´´Ù. Àü¹ÝÀûÀ¸·Î ÀϺ» ¾ß½Ã¾× 1¹è¾×¿¡¼­ »ýÀ°ÀÌ ÁÁ¾ÒÀ¸¸ç ½Ä¹°Ã¼³» ¹«±âÀÌ¿ÂÇÔ·®µµ ÀûÁ¤Ä¡·Î ³ªÅ¸³µ´Ù. µû¶ó¼­ 1¹è¾×ÀÇ ¾ç¼öºÐ Èí¼öÀ²¿¡ ÀÇÇØ Å丶Åä ¼øÈ¯½Ä °íÇü¹èÁö°æ¿ë ¹è¾ç¾×À» Á¶¼º ÇÏ¿´°í ±×°ÍÀ» SCUT ¹è¾ç¾×À¸·ÎÇÏ¿´´Ù. »ýÀ°´Ü°èº°·Î À°¹¦±â. ¿µ¾ç»ýÀå±â ¹× °á½Ç±â·Î ³ª´©¾î ¾ç¼öºÐ Èí¼öÀ²(n/w)À» °è»êÇÑ °á°ú, À°¹¦±â¿¡ N 13.5, P 3.3, K 7.0, Ca 7.0 ¹× Mg 3.5 me.L$^{-1}$À̾ú°í, ¿µ¾ç»ýÀå±â¿¡´Â N 14.2, P 3.3, K8.0, Ca 7.5 ¹× Mg 4.0 me.L$^{-1}$, °á½Ç ºñ´ë±â¿¡´Â N 10.0, P 3.0, K 7.0, Ca 6.0, Mg 3.0 me.L$^{-1}$·Î Á¶¼ºÇÏ´Â °ÍÀÌ ÀûÇÕÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. »ýÀ°´Ü°èº°·Î Á¶¼ºµÈ ½Ã¸³´ë ¼øÈ¯½Ä Å丶Åä ¹è¾ç¾×(SCUT)À» ³×´ú¶õµåÀÇ ¼øÈ¯½Ä ¹è¾ç¾× (PBG)°ú ÇÔ²² ºñ±³½ÇÇèÀ» ¼öÇàÇÑ °á°ú ±Ù±Ç³» pH ¿Í ECº¯È­´Â Àú³óµµ±¸ÀÎ 1/2¹è¾×¿¡¼­ º¯È­°¡ Å©°Ô ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. ±Ù±Ç³» ¹«±âÀÌ¿ÂÇÔ·« º¯È­´Â ½Ã¸³´ë¾×¿¡¼­´Â »ýÀ°´Ü°èº°·Î Á¶¼º¹è¾ç¾×À» ¹Ù²Ù¾î °ø±ÞÇϸ鼭 ½ÇÇèÇÑ °á°ú 1/2¹è¾×¿¡¼­ ±Ù±Ç³» N, p ÇÔ·®ÀÌ ÀûÁ¤¼öÁØÀÌÇÏ·Î ³ªÅ¸³µ°í 2¹è¾×¿¡¼­´Â ±Ù±Ç³» N, K, Ca, Mg ÇÔ·®ÀÌ ÁýÀûµÇ¾î °í³óµµ·Î µÇ´Â °æÇâÀ» º¸¿´´Ù. ¹Ý¸é¿¡ 1¹è¾×¿¡¼­´Â Àü¹ÝÀûÀ¸·Î ±Ù±Ç³» ¹«±â¾çºÐÀÌ ÀûÁ¤¼öÁØÀ» À¯ÁöÇϰí ÀÖ¾úÀ¸¸ç ƯÈ÷ ½Ã¸³´ë ¹è¾ç¾×¿¡¼­ Å丶ÅäÀÇ »ýÀ°, ¼ö·® ¹× ǰÁúÀÌ ³ô°Ô ³ªÅ¸³µ´Ù.
This experiment was conducted to develop optimal nutrient solution for tomato plants, according to the plant growth stages in closed system. Perlite substrate was supplied with 1/2 and 1 strength of the solution of National Horticultural Research Station in Japan. Plants grew better and the nutrient_contents in the leaves were also proper in 1 strength. Based on these results, optimal nutrient solution in perlite was composed by n/w of 1 strength according to the plant growth rates £º N 13.5, P 3.3, K 7.0, Ca 7.0, Mg 3.5 me.L$^{-1}$ in seedling stage, N 14.2, P 3.3, K 8.0, Ca 7.5, Mg 4.0 me.L$^{-1}$ in vegetative stage and N 10.0, P 3.0, K 7.0, Ca 6.0, Mg 3.0 me.L$^{-1}$ in reproductive stage. To examine the suitability of the nutrient solution developed in this experiment, tomato plants were grown in rockwool and supplied with two different composition and concentration of nutrient solution composed by n/w of 1 strength in perlite (SCUT) and by Research Station for Greenhouse Vegetable and Floriculture on the Netherlands (PBG). PH and EC in SCUT were changed little in 1 strength but a significant change of PH was shown in 1/2 strength. Later, drained solutions in rockwool were also analyzed according to the Plant growth stages. Low concentrations of N and P in root zone were shown in early growth stage but N was increased in reproductive stage, while, K, Ca, Mg concentration was consistent through the whole growth stage. Considering these results, we found that the rebalance of N and P was needed, that is, reduction of N concentration in reproductive stage and increasing of P concentration in vegetative stage.
 
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¹è¾ç¾×;¼øÈ¯½Ä ¾ç¾×Àç¹è;°íÇü¹èÁö Àç¹è;nutrient solution;closed system;substrate culture.;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.7, no.1, 1998³â, pp.43-54
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811922405864)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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