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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.13, no.4, 2004³â, pp.240-244
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( Effect of Surfactant Addition in Nutrient Solution on Mineral Nutrient Uptake and Growth of Lettuce in DFT Culture )
Ãֱ⿵;¾çÀº¿µ;¹®º´¿ì;¼­ÅÂö; ¿ø¿¹¿¬±¸¼Ò ä¼Ò°ú;¿ø¿¹¿¬±¸¼Ò ä¼Ò°ú;(ÁÖ)ÄÚÇÁ;¿ø¿¹¿¬±¸¼Ò ä¼Ò°ú;
 
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¼øÈ¯½Ä ¾ç¾×Àç¹è½Ã °è¸éȰ¼ºÁ¦°¡ ¹«±âÀ̿ Èí¼ö ÁõÁø¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸°íÀÚ »óÃßÀÇ »ýÀ°, ±¤ÇÕ¼ºÀ², Áõ»êÀ² ¹× ¹«±âÀ̿ ÇÔ·®À» ºÐ¼®ÇÏ¿´´Ù. »óÃß »ýÀ°Àº $0.3mg{cdot}L^{-1}$ PVA-95󸮿¡¼­ °¡Àå ³ô¾ÒÀ¸¸ç, l/2¹è¾×¿¡¼­ Àç¹èµÈ »óÃßÀÇ »ýÀ°µµ ¾çÈ£ÇÏ¿´´Ù. Ä®½· ÇÔ·®ÀÌ Áõ°¡µÈ $0.3mg{cdot}L^{-1}$ CLS ó¸®ÀÇ »óÃß´Â »ýÀ°ÀÌ ³·À½¿¡µµ ºÒ±¸ÇÏ°í ³ôÀº Áõ»êÀ²°ú ±¤ÇÕ¼ºÀ² ¹× ¿±³» Ä«¸®, Ä®½· ¹× ¸¶±×³×½· ÇÔ·®ÀÌ ³ô¾Ò´Ù. µû¶ó¼­ ³ôÀº »ýÀ°·®°ú ºñ·á Àý°¨ È¿°ú°¡ ÀÎÁ¤µÈ PVA-95 ó¸®¿Í CLS 󸮿¡ ÀÇÇÑ ¿±³» ¹«±â ¼ººÐ ÇÔ·® Áõ°¡°¡ ÀÎÁ¤µÊ¿¡ µû¶ó ¼ö°æÀç¹è »óÃßÀÇ °íǰÁú »ý»ê¿¡ À¯¿ëÇÏ°Ô »ç¿ë °¡´ÉÇϸ®¶ó°í ÆÇ´ÜµÈ´Ù.
This study was conducted to evaluate the effect of different surfactants on the fertilizer reduction and increase of the mineral nutrients uptake of lettuce (Latuca sativa L. 'Hanbatchungchima') in deep flow technique culture. The measured items from lettuce leaves expanded fully were growth, photosynthetic and transpiration rate, and mineral nutrient content K, Ca and Mg, respectively. The highest growth were observed at $0.3mg{cdot}L^{-1}$ polyvinyl alcohol (PV4-95) treatment, including lettuce grown in the half strength of nutrient solution. The highest photosynthetic rate, transpiration rate and mineral nutrient content were observed at $0.3mg{cdot}L^{-1}$ calcium lignosulfate (CLS) treatment. Therefore, high-quality leaf lettuce production could be achieved by apply proper surfactants PVA-95 and CLS, which can cut down the total amount of fertilizer and increase uptake of mineral nutrients.
 
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°í±â´É¼º ¿±Ã¤·ù »ý»ê;±¤ÇÕ¼ºÀ²;ºñ·áÀý°¨;Áõ»êÀ²;fertilizer reduction;high-quality leaf lettuce production;photosynthetic rate;transpiration rate;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.13, no.4, 2004³â, pp.240-244
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200430710425953)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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