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Çѱ¹»ý¹°È¯°æÁ¶ÀýÇÐȸ / v.10, no.2, 2001³â, pp.101-105
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( Improvement of Method for Supplying the Nutrient Solution at Expanded Rice Hull Substrates during Hydrophonic Culture of Tomato Plants )
±è°æÈñ;ÀÓ»óÇö;±è¼ºÀÏ;À¯±Ùâ; °­¿øµµ ³ó¾÷±â¼ú¿ø;°­¿øµµ ³ó¾÷±â¼ú¿ø;°­¿øµµ ³ó¾÷±â¼ú¿ø;°­¿ø´ëÇб³ ¿ø¿¹Çаú;
 
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Plant roots are affected by the root zone environment rather than substrate material itself. It is important to provide a suitable environment for the roots by amending the substrate and adjusting supply of the nutrient solution. In an expanded rice hull substrates, 1.5 L nutrient solution was supplied on each day at different frequency. In rice hull substrate, plant growth and yield were the greatest in the treatment where a 1.5L nutrient solution was supplied as 24 equal aliquots, wheres in perlite substrate plant growth and yield were the greatest in the treatment with 16 aliquots. Nitrogen deficiency symptoms caused by early decomposition of rice hulls by microorganisms was recovered by increasing solution EC from 1.7 to EC 2.0 dS.m$^{-1}$ for 25 days after planting. Plant growth and yield increased in the treatment of Ec 3.0 dS.m$^{-1}$ , but the cause for this increase is not clear.
 
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»ý¹°È¯°æÁ¶ÀýÇÐȸÁö / v.10, no.2, 2001³â, pp.101-105
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ISSN : 1229-4675
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200111920848577)
¾ð¾î : Çѱ¹¾î
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