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Çѱ¹ÀܵðÇÐȸ / v.23, no.2, 2009³â, pp.353-360
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¸ð·¡ Á¶°Ç¿¡¼ ĵÅÍŰºí·ç±×·¡½ºÀÇ »ýÀå°ú Á¤Âø¿¡ ´ëÇÑ ÀλêÀÇ ¾ç°ú È¥ÇÕ ±íÀ̰¡ ¹ÌÄ¡´Â ¿µÇâ
( Evaluationof Phosphorus Rateand Mixing Depthonthe Growthand Establishment of Kentucky bluegrass(Poapratensis L.) in Sand-Based Systems ) |
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| ÀλêÀº ½Ä¹°¼¼Æ÷¸·ÀÇ Çü¼º°ú °ü·Ã ÀÖ´Â ÀÎÁöÁúÀÇ ÁÖ¿ä ±¸¼º¿ä¼ÒÀÌ´Ù. ÀλêÀº Åä¾ç¿¡¼ ¿òÁ÷ÀÏ ¼ö ¾ø±â ¶§¹®¿¡ ÀÚÁֽŰ »ýÀå¿¡ ÀúÇØ¿äÀÎÀ¸·Î ÀÛ¿ëÇϱ⵵ ÇÑ´Ù. ÀλêÀÇ À̵¿¼º°ú ½Ä¹°ÀÇ À̿뼺Àº ÀλêÀÇ ½Ã¿ëºóµµ, Åä¾ç¿¡¼ÀÇ À§Ä¡, °ü¼ö·® ¹× °¿ì¿Í °°Àº ´Ù¾çÇÑ ¿äÀο¡ µû¶ó ´Ù¸£°Ô ³ªÅ¸³´Ù. º» ¿¬±¸¿¡¼´Â ¸ð·¡½Ã°ø °ñÇÁÀå¿¡¼ ÀλêÀÇ ½Ã¿ë·®(0, 146, 293 $kg{cdot}ha^{-1}$)ÀÌ ÀλêÀ» È¥ÇÕÇÏ´Â ±íÀÌ(0, 7.6, 15.2, 22.9 cm)¿¡ µû¶ó ĵÅÍŰºí·ç±×·¡½ºÀÇ »ýÀå°ú Á¤Âø¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Æò°¡ÇÏ¿´´Ù. ±× °á°ú ÀλêÀº Åä¾çÇ¥¸é°ú 7.6cmÀÇ ±íÀÌ¿¡ ½Ã¿ëÇÏ¿´À» ¶§ Åë°èÀûÀÎ À¯ÀǼºÀÌ ¹ß°ßµÇÁö ¾Ê¾Ò´Ù. ÇÏÁö¸¸ Ç퟾Ƹ£´ç 146°ú 293kgÀ» ½Ã¿ëÇÏ¿´À» ¶§ ¹«Ã³¸®º¸´Ù ½Ä¹° üÁ¶Á÷ ³»¿¡¼ 8~10%¿Í 16~20%ÀÇ ÀλêÀÌ °ËÃâµÇ¾ú´Ù. |
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| Phosphorus (P) is one of the essential elements of the phospholipids that are involved in the formation of plant cell membranes. Phosphorus is highly immobile in soils and is often a limiting nutrient for plant growth. Phosphorus mobility and availability varies with several factors such as application frequency, placement in the soil, and the amount of irrigation or precipitation. This study was conducted to evaluate the effect of P applications at level of 0, 146, and 293 $kg{cdot}ha^{-1}$ at four mixing depths (0, 7.6, 15.2, and 22.9 cm )on the growth and establishment of Kentucky bluegrass (Poapratensis L.) in a sand-based system.Grass clipping samples were collectedevery two weeks, dried, and weighed. Total root dry weight, root organic matter, and tissue content of P were measured at the end of the study. Leachate was collected weekly and analyzed for total P concentration. No difference was found between application of P to the surface and to the 7.6 cm mixing depth. However, surface application with 146 and 293 kg $P{cdot}ha^{-1}$ produced 8-10% and 16-20% more P in tissue than subsurface applications, respectively. |
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| Ű¿öµå |
| »Ñ¸®°Ç¹°Áß;¿¹Áö¹°;¿ëÅ»;À¯±â¹°;ÄËÅÍŰºí·ç±×·¡½º;clipping yield;root dry weight;organic matter;leachate;Kentucky bluegrass;PoapratensisL.; |
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Çѱ¹ÀܵðÇÐȸÁö / v.23, no.2, 2009³â, pp.353-360
Çѱ¹ÀܵðÇÐȸ
ISSN : 1229-3253
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200920036086853)
¾ð¾î : ¿µ¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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