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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.7, no.3, 1998³â, pp.206-213
¹è¾ç¾×³» $ extrm{NO}_3^;-$, $ extrm{K}^+$ ¹× $ extrm{Ca}^{++}$ ³óµµ°¡ ¹«µî»ê¼ö¹Ú À¯¹¦ »ýÀå¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effects of Concentration of $ extrm{NO}_3^;-$ $ extrm{K}^+$ and $ extrm{Ca}^{++}$ in Nutrient Solution on the Seedling Growth of ¡®Mudeungsan¡¯ Watermelon )
À̹ü¼±;Á¤¼øÁÖ;¹Ú¼ø±â; Àü³²´ëÇб³ ³ó°ú´ëÇÐ ¿ø¿¹Çаú;Àü³²´ëÇб³ ³ó°ú´ëÇÐ ¿ø¿¹Çаú;Àü³²´ëÇб³ ³ó°ú´ëÇÐ ¿ø¿¹Çаú;
 
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º» ½ÇÇèÀº Àü³²´ëÇб³ ³ó°ú´ëÇÐ ¿¬±¸¿Â½Ç¿¡¼­ ¹«µî»ê¼ö¹ÚÀÇ °Ç¹¦ »ý»ê¿¡ ÀÖ¾î ¹¦ÀÇ ¼ÒÁúÀ» °áÁ¤ÇÏ´Â NO$_{3}$$^{1}$, $K^{£«}$ ¹× $Ca^{£«£«}$À» ³óµµº°(Total-N=94, 106, 112, 206, 406ppm; $K^{£«}$= 100, 150, 200, 400ppm; $Ca^{£«£«}$= 80, 150, 200, 320ppm)·Î ó¸®ÇÏ¿© ºÐ¼®ÇÑ °á°ú ¹è¾ç¾×ÀÇ N ³óµµ¸¦ Áõ°¡½Ãų¼ö·Ï ÃÊÀå, ¿±¸éÀû, ¿±¼ö, Áö»óºÎÀÇ »ýüÁß ¹× °Ç¹°ÁßÀÌ Áõ°¡ÇÏ¿´´Ù. ±×·¯³ª K ³óµµ¸¦ Áõ°¡½ÃÄ×À» °æ¿ì ¼ö¹Ú À¯¹¦ÀÇ ÃÊÀåÀº 200ppm±îÁö´Â ¾à°£ Áõ°¡ÇÏÁö¸¸ 200ppm ÀÌ»óÀ¸·Î Áõ°¡½ÃŰ¸é ¿±¸éÀû, ¿±¼ö, ¿±Àå, »ýüÁß ¹× °Ç¹°ÁßÀÌ °¨¼ÒÇÏ¿´´Ù. Caó¸®ÀÇ °æ¿ìµµ ³óµµÀÇ Áõ°¡¿¡ µû¸¥ ¿±¸éÀû°ú ¿±»ýüÁß ¹× °Ç¹°ÁßÀÇ °¨¼Ò°¡ ÇöÀúÇÏ¿´´Ù. NÀÇ ³óµµ¸¦ 206ppmÀ¸·Î Áõ°¡½ÃŲ °æ¿ì ¹«µî»ê¼ö¹Ú ¹¦ÀÇ ¿±º´³» N, K ¹× MgÀÇ ÇÔ·®Àº Áõ°¡ÇÏ¿´Áö¸¸ P ¹× CaÀÇ ÇÔ·®Àº Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. KÀÇ ³óµµ¸¦ 150ppmÀ¸·Î Áõ°¡½ÃŲ °æ¿ì ¼ö¹ÚÀ¯¹¦ÀÇ ¿±º´³» N, K ¹× MgÀÇ ÇÔ·®ÀÌ Áõ°¡ÇÑ ¹Ý¸é 200ppmÀÌ»óÀ¸·Î Áõ°¡½ÃŲ °æ¿ì¿¡´Â N¿Í MgÀÇ °¨¼Ò°¡ ³ªÅ¸³µÀ¸¸ç P ¹× CaÀÇ ÇÔ·®Àº Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. ±×·¯³ª ¹è¾ç¾×¿¡ CaÀÇ ³óµµ¸¦ Áõ°¡½ÃŲ °æ¿ì ¿±º´³» N, K, Ca ¹× MgÀÇ ³óµµ°¡ Áõ°¡ÇÏ´Â ¹Ý¸é 200ppm À̻󿡼­´Â NÀÇ °¨¼Ò°¡ °üÂûµÇ¾ú´Ù.
This experiment was conducted to investigate the effects of concentration of NO$_{3}$$^{[-10]}$ , $K^{£«}$ and $Ca^{£«£«}$ in nutrient solution on the seedlings growth of ¡®Mudeungsan¡¯watermelon. Seeds were sown on March 16, 1997. NO$_{3}$$^{[-10]}$ , $K^{£«}$ and $Ca^{£«£«}$ was treated with three different levels, respectively, NO$_{3}$$^{[-10]}$ = 106, 206, 406ppm; $K^{£«}$ = 150, 200, 400 ppm; $Ca^{£«£«}$ = 150, 200, 400 ppm. Plant growth was investigated at four-days interval in 10 days after treatment. Increasing N concentration in the nutrient solution increased the plant height, leaf area, number of leaves, fresh and dry weight of shoot while high concentration of K and Ca in the nutrient solution decreased the seedling growth in terms of leaf area, leaf dry weight. The uptake of N, K and Mg in petiole sap was positively affected by the adding of 206 ppm of nitrate, 150 ppm of potassium and 200 ppm of calcium levels, respectively. The P and Ca uptake in petiole sap was not affected by the N and K concentrations in the nutrient solution while K concentration above 200 ppm decreased the N and Mg content in petiole sap. High concentration of Ca in the nutrient solution increased the Ca content in petiole sap while Ca concentration above 200 ppm decreased the N content.
 
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¹¦»ýÀå;¾çºÐÈí¼ö;¿±º´ºÐ¼®;Seedling growth;Mineral uptake;Petiole analysis;
 
»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.7, no.3, 1998³â, pp.206-213
Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ
ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811922406118)
¾ð¾î : Çѱ¹¾î
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