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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.6, no.4, 1997³â, pp.310-316
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( A Study of Sap Analysis for the Establishment of Nutrient Diagnosis Method )
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º» ¿¬±¸´Â ¿Â½Ç¸á·ÐÀÇ ¾ç¾×Àç¹è¿¡¼­ ¿µ¾çÁø´Ü¿¡ ±âÃÊÇÑ ¹è¾ç¾×°ü¸®¸¦ Çϱâ À§ÇØ À¯È¿ÇÑ ¼ö´ÜÀ¸·Î ÀÌ¿ëÇÒ ¼ö ÀÖ°í ½Å¼ÓÇÏ°í °£ÆíÇϸç Á¤È®ÇÑ Áó¾×ºÐ¼® ¹æ¹ý(Áú»êÅÂÁú¼ÒÀÇ Á¤·®¹æ¹ý, ÀλêÁ¤·®¹æ¹ý, Áó¾×ÃßÃâ¹ý, ÃßÃâºñÀ², ¸¶¼â½Ã°£ ¹× »ùÇÃäÃë ºÎÀ§ µî)µé¿¡ °üÇÑ ºñ±³°ËÅ並 ÇÏ¿´´Ù. 'Earl's Favorite Ãá°è¸¦ 1993³â 1¿ù 11ÀÏ¿¡ ÆÄÁ¾ÇÏ¿© º»¿± 3¡­4¸ÅÀÇ ¹¦¸¦ Á¤½ÄÇÏ¿© ºñ¼øÈ¯ ¹æ½ÄÀ¸·Î Àç¹èÇß´Ù. Áó¾×ºÐ¼®¹ýÀº °áÇÌÀ̳ª °úÀ×Áõ»óÀÌ ¿Ü°üÀûÀ¸·Î ³ªÅ¸³ª±â Àü¿¡ ½Å¼ÓÇÏ°í °£ÀÌÇÑ Áó¾×ºÐ¼®¹ý¿¡ ÀÇÇØ ¹°Ã¼ÀÇ ¿µ¾ç»óŸ¦ Áø´ÜÇÏ¿© ´ëÀÀÀÌ °¡´ÉÇÏ´Ù°í ÆÇ´ÜµÇ¾ú´Ù. Áó¾×ºÐ¼®½Ã Áú»êÅÂÁú¼ÒÀÇ ºÐ¼®¿¡´Â ÀڿܺΠÈí±¤µµ¹ý, ÀλêºÐ¼®¿¡´Â ¹Ù³ªµå¸ô¸®ºêµ§»ê¹ýÀÌ ÃßõµÇ¾ú°í, ÃßÃâºñÀ²Àº 1£º4·Î, ¿±º´ÀÇ ¸¶¼â½Ã°£Àº 60ÃÊ, ±×¸®°í äÃëºÎÀ§´Â ÀÏÁ¤ºÎÀ§·Î ÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÏ´Ù°í ÆÇ´ÜµÇ¾ú´Ù. ±×·¯³ª »ùÇÃäÃë½Ã°£¿¡ ´ëÇØ¼­´Â äÃë½Ã°£¿¡ µû¸¥ Â÷À̰¡ Å©±â ¶§¹®¿¡ ¾ÕÀ¸·Î º¸´Ù »ó¼¼ÇÑ °ËÅä°¡ ¿äûµÇ¾ú´Ù.
This experiments comparisons were conducted to establish the effective sap analytical method including quantitative analysis of nitrate and phosphorous, sap extraction method, extraction rate, macerating time and sampling position. Earl's Favorite muskmelon was sown on February 11th, 1993 and transplanted to rockwool slab when three to fourth true leaf appeared. Non-circulating system was employed in this experiment. Sap testing using a sample provides an immediate analysis of nutritional status of the crop and potential problems can be recognized and corrective measures taken. Some methods were recommended UV-spectroscopy for the analysis of nitrate nitrogen, Vanad molybdenium acid method for phosphorous. Optimal extraction rate of sample to water was determined as one to four and the best result observed at 60seconds in macerating duration. Further trials would be requested about sampling time due to the difference according to the sampling time. Given sampling position was favorable for the sap analysis.
 
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»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.6, no.4, 1997³â, pp.310-316
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711922405732)
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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