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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.9, no.3, 1996³â, pp.274-278
½Ãºñ¼öÁØÀÇ Â÷À̰¡ ¾ßÄÜÀÇ ¹°Áú»ý»ê°ú ±¤ÇÕ¼º¼Óµµ¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Effect of different fertilizer application on the dry matter production and leaf photosynthetic of Yacon(Polymnia sonchifolia) )
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º» ½ÇÇèÀº Æ÷Àå°ú Æ÷Æ®Àç¹è¿¡¼­ Åä¾ç½Ãºñ¼öÁØ(÷Ïå½ã¿Ýþâ©ñÞ), ¿Âµµ(è®Óø) ¹× ±¤Á¶°Ç(ÎÃðÉËìù»)¿¡¼­ °Ç¹°»ý»ê·®°ú ±¤ÇÕ¼º(ÎÃùêà÷) ¼ÓµµÀÇ Â÷À̸¦ ÃøÁ¤ºÐ¼®ÇÏ¿© ¾ßÄÜÀÇ ÀûÁ¤»ýÀå(îÙïÒßæíþ) Á¶°Ç(ðÉËì)À» ¹àÈ÷°íÀÚ ½Ç½ÃÇÏ¿´´Ù. 1. Æ÷Àå¿¡¼­ÀÇ ½Ãºñ¼öÁغ° °Ç¹°»ýÀåÀ²Àº ¹«Ã³¸®±¸ º¸´Ù Åðºñ±¸¿¡¼­ ³ô°Ô ³ªÅ¸³µÀ¸¸ç, ±¸±ÙÀÇ °Ç¹°ÁßÀº ¹«Ã³¸®±¸¿Í Áú¼Ò󸮱¸¿Í´Â Å« Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. 2. ÃÖ´ë ¿±±¤ÇÕ¼º ¼Óµµ´Â Åðºñ±¸(S-1)¿¡¼­ 17.3mg $CO_2gdm^{-2}s^{-1}$·Î ´Ù¸¥ Áú¼Ò 󸮱¸ º¸´Ù ³ô¾ÒÀ¸au, ¹«Ã³¸®±¸ÀÇ ¿±±¤ÇÕ¼º ¼Óµµ°¡ °¡Àå ³·¾Ò´Ù. 3. ±¤È¯°æ(ÎÃü»ÌÑ) Á¶°Ç(ðÉËì)¿¡ µû¸¥ Åðºñ±¸¿Í ¹«Ã³¸®±¸ÀÇ ¿±±¤ÇÕ¼º ¼ÓµµÂ÷ÀÌ´Â ¶Ñ·ÇÇÏ°Ô Â÷À̰¡ ³µÀ¸¸ç ±¤Æ÷È­Á¡Àº $1200{pm}50{mu}molm^{-2s^{-1}$À̾ú´Ù. 4. ±¤ÇÕ¼º¼Óµµ´Â $34{pm}3^{circ}C$ Á¤µµ¿¡¼­ ³ôÀº ¹Ý¸é $28^{circ}C$ Á¤µµ ÀÌÇÏ¿¡¼­´Â ±â°øÀúÇ׿¡ ÀÇÇÏ¿© ¿±±¤ÇÕ¼º ¼Óµµ°¡ ³·¾Ò´Ù.
This study was conducted to examine the dry matter production and leaf photosynthesis under different fertilizer application in Yacon(Polymnia sonchifolia)plants. Under field conditions, dry matter production of stable mature application plot(S-1) was much larger than non-treated control plot(CTL), but bulb dry weight of 10kg nitrogen application plot per 10a (N-10) was not differentiated from CTL. The maximum photosynthetic rates increased in Yacon plants grown at S-1 while in the rates of CTL reduced under glasshouse in the same treated pot condition. The optimum temperature for the highly photosynthetic rates is about $34{pm}3^{circ}C$, and the rates did decrease by stomatal resistance below 28¡É. The estimated light saturation point was $1200{mu}mol{cdot}m^{-2}s^1$. The results of this study indicate that soil conditions were highly related to dry matter production and leaf photosynthesis rate in Yacon plants.
 
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Polymina sonclufolia;dry matter production;leaf photosynthesis;fertilzer application;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.9, no.3, 1996³â, pp.274-278
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920278471)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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