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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.8, no.3, 1999³â, pp.216-221
°á±¸»óÃßÀÇ ¼ö°æÀç¹è½Ã ¹è¾ç¾×³» ÀüÁú¼Ò·® Á¶ÀýÀÌ ¿±Áß nitrate ÇÔ·®¿¡ ¹ÌÄ¡´Â È¿°ú
( Effect of Total Nitrogen on the Nitrate Content of Crisp Lettuce Leaf in Deep Flow Culture )
±èÇýÁø;±è¿µ½Ä; »ó¸í´ëÇб³ ¿ø¿¹°úÇаú;»ó¸í´ëÇб³ ¿ø¿¹°úÇаú;
 
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°á±¸»óÃßÀÇ ¿±Áß nitrate ÇÔ·®À» ÁÙÀ̰íÀÚ ¼öÈ® 7ÀÏÀü Yamazaki »óÃß ¹è¾ç¾×¿¡ Æ÷ÇԵǾîÀÖ´Â Áú¼ÒÀÇ ¾çÀ» Á¶ÀýÇÏ¿´´Ù. Yamazaki »óÃß ¹è¾ç¾×³»ÀÇ Áú¼Ò¸¦ 1¹è(6.Sme/$ell$), 3/4¹è(4.gme/$ell$), 2/4¹è(3.3me/$ell$), 1/4¹è (1.6me/$ell$)·Î ó¸®ÇØ ÁÖ¾ú´Ù. ¹è¾ç¾× pH´Â Àü¹ÝÀûÀ¸·Î 7.2~8.4·Î ³ôÀº ¼öÁØÀ» À¯ÁöÇÏ¿´´Ù. Áú¼ÒÀÇ ¾çÀÌ ¸¹À»¼ö·Ï pH¿Í EC´Â »ó½ÂÇÏ¿´´Ù. ¿±Áß nitrate ÇÔ·®Àº 1/4¹è 󸮱¸¿¡¼­ °¡Àå ³·¾ÒÀ¸¸ç, ´Ù¸¥ 󸮱¸ »çÀÌ¿¡´Â À¯ÀǼºÀÌ ¾ø¾ú´Ù. 󸮿¡ °ü°è¾øÀÌ °á±¸µÇÁö ¾ÊÀº °ÑÀÙÀÌ °á±¸µÈ ÀÙº¸´Ù nitrate ÇÔ·®ÀÌ ³·¾Ò´Ù. °á±¸ºÎÀÇ ¹«°Ô, Æø ¹× Áö»óºÎÁßÀº 1/4¹è 󸮱¸¿¡¼­ °¡Àå ³·Àº °æÇâÀ» º¸¿´´Ù.
To reduce leaf nitrate content, lettuce plants(Lactuca sativa var. capitata) were grown in deep flow culture. Nitrogen concentrations were controlled to 1 (6.Sme/$ell$), 3/4 (4.9me/$ell$), 2/4 (3.3me/$ell$), and 1/4 strength(1.6me/$ell$) of Yamaziki's nutrient solution from 7 days before harvest. The pH of nutrient solution was maintained at high level between 7.2 and 8.4. The values of pH and EC were increased with the nitrogen concentration in the nutrient solution. The nitrate contents were lowest at the treatment of 1/4 strength, but not significantly different among other treatments. The nitrate content was lower in outer leaves than in head leaves. The weight and diameter of head and shoot weight were lowest at the treatment of 1/4 strength.
 
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»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.8, no.3, 1999³â, pp.216-221
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199911922406832)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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