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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.16, no.4, 2007³â, pp.379-387
Å丶Åä Ç÷¯±×À°¹¦½Ã ±âºñ¼öÁØ ¹× °üºñ ½ÃÀÛÀÏÀÌ ¹¦ »ýÀ°°ú ¹«±â¼ººÐ ÇÔ·®¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Growth and Nutrient Contents of Tomato Plug Seedlings as Influenced by Pre-planting Fertilizer Levels and Initiation Time of Fertigation )
ÃÖÁ¾¸í;±èº´°ï; ¹èÀç´ëÇб³ °úÇбâ¼ú¹ÙÀÌ¿À´ëÇÐ;Çѱ¹ÁöÁúÀÚ¿ø¿¬±¸¿ø;
 
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ÄÚÀ̾î+ÇÇÆ®¸ð½º+ÆÞ¶óÀÌÆ®(4:4:2, v/v/v) »óÅ並 Á¶Á¦Çϰí, ±âºñ¼öÁØÀ» 0.5X, 1.0X¹× 1.5X·Î Á¶ÀýÇÏ¿´À¸¸ç, °¢ ±âºñ¼öÁØ¿¡¼­ ÆÄÁ¾ 7, 14, 21 ¹× 28ÀÏ¿¡ ù °üºñ¸¦ ÇÒ °æ¿ì Å丶Åä Ç÷¯±× ¹¦ÀÇ »ýÀ° ¹× ¹«±â¿ø¼Ò Èí¼ö¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ±¸¸íÇϱâ À§ÇØ º» ¿¬±¸¸¦ ¼öÇàÇÏ¿´´Ù. µ¿ÀÏÇÑ °üºñ ½ÃÀÛÀÏ¿¡¼­ ±âºñ¼öÁØÀÌ ³ôÀ»¼ö·Ï ÆÄÁ¾ 35Àϰú 70ÀÏ ÈÄÀÇ »ýüÁß°ú °Ç¹°Áß »ý»ê·®ÀÌ ¸¹¾Ò°í, µ¿ÀÏÇÑ ±âºñ¼öÁØ¿¡¼­ °üºñ½ÃÀÛÀÏÀÌ ºü¸¦¼ö·Ï ½Ä¹° »ýÀåÀÌ ¿ì¼öÇÏ¿´´Ù. µ¿ÀÏÇÑ °üºñ ½ÃÀÛÀÏ¿¡¼­ ±âºñ¼öºÐÀÌ 0.5XÀΠ󸮰¡ 1.0X³ª 1.5X ó¸® º¸´Ù Àλê ÇÔ·®ÀÌ ¸¹¾Ò°í, ±âºñ¼öÁØÀÌ ³ôÀ»¼ö·Ï K, Mg ¹× Fe ÇÔ·®ÀÌ °¨¼ÒÇϰí Ca ÇÔ·®ÀÌ Áõ°¡ÇÏ¿´´Ù. ÆÄÁ¾ 35ÀÏ ¹× 70ÀÏ ÈÄ º» ¿¬±¸ÀÇ Åä¾ç pH´Â ´ëºÎºÐ 7.0 ÀÌ»óÀ¸·Î ÃøÁ¤µÇ¾î °úµµÇÏ°Ô ³ô¾ÒÀ¸¸ç, »ó¾÷¿ë Àç¹è¿¡ Àû¿ëÇÒ °æ¿ì ¼®È¸Áú ºñ·áÀÇ Á¾·ù ¹× ¾çÀ» º¯È­½ÃÄÑ¾ß ÇÒ °ÍÀ¸·Î ÆÇ´ÜÇÏ¿´´Ù. º» ¿¬±¸°á°ú¸¦ °í·ÁÇÒ ¶§ CaÀ» Á¦¿ÜÇÑ ¸ðµç ºñ·áÀÇ ±âºñ¼öÁØÀ» 1.5X·Î ³ôÀ̰í, ¹ß¾Æ½Ç¿¡¼­ Àç¹è¿Â½Ç·Î ¿Å±ä Áï½Ã ù °üºñ¸¦ ½ÃÀÛÇØ¾ß ÇÒ °ÍÀ¸·Î ÆÇ´ÜÇÏ¿´´Ù.
This research was conducted to evaluate the influence of pre-planting fertilizer levels (PFL) and initiation time of fertigation (ITF) on growth and nutrient contents of tomato plug seedlings. The pre-planting fertilizer levels in a coir+peatmoss+perlite (4:4:2, v/v/v) substrate were adjusted to 0.5X, 1.0X and 1.0X, and initiation time of fertigation was set to 7, 14,21 and 28 days after sowing. Elevated PFL in same ITF increased plant growth such as fresh and dry weights at 35 and 70 days after sowing. Plugs with early feeding among treatments of equal amount of PFL also showed better growth as compared to those of later feeding. In each ITF, 0.5X treatment had the higher tissue $P_2O_5$ contents than 1.0X and 1.5X treatments. Elevated PFL resulted in the decrease of tissue K, Mg and Fe contents and increase of tissue Ca contents. The pH in soil solution of all root substrates except 0.5X treatment at 35 and 70 days after sowing were greater than 7.0, which is too high. This suggests that the amounts and kinds of Ca containing fertilizers should be altered to decrease the pH. The results of this research indicated that fertilizer levels should be increased to 1.5X except Ca fertilizer, and fertigation immediately after moving plug trays from germination room to greenhouse is required to increase crop growth and decrease cropping time.
 
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±âºñ¼öÁØ;¹«±â¿ø¼Ò ÇÔ·®;»ýÀå;ù °üºñ½Ã±â;ÇÁ·¯±× ¹¦;fertilizer level;growth;initiation time;nutrient contents;plug seedlings;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.16, no.4, 2007³â, pp.379-387
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200706414476257)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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