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KMID : 1098420140220020140
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Korean Journal of Medicinal Crop Science
2014 Volume.22 No. 2 p.140 ~ p.146
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Analysis of Growth Characteristics and Physiological Disorder of Korean Ginseng Affected by Application of Decomposing Plant Residues in Paddy-Converted Field
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Jang In-Bae
Hyun Dong-Yun
Lee Eung-Ho
Park Kee-Choon
Yu Jin
Park Hong-Woo
Lee Sung-Woo
Kim Ki-Hong
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Abstract
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This study was carried out to investigate the difference of the content of soil chemical components and growth characteristics in six years old ginseng affected by application of decomposing plant residues in paddy-converted field. The results show that aerial parts of ginseng are no difference between press cake (PC) 200 ㎏/10a and control but subterranean parts of ginseng PC 200 ㎏/10a, especially quantity related root fresh weight and tap root diameter, are statically about 1.6 times heavier and about 1.2 times thicker than the ginseng control. Furthermore, the survival rate of PC 200 ㎏/10a is 67.1% rise significantly compare with the control 50.7%. But compared with the PC 200 ㎏/10a and the PC 400 ㎏/10a, ginseng root growth and survival rate of PC 400 ㎏/10a get worse and that increase physiological disorder occurrence rate than PC 200 ㎏/10a. Even though there are no significant differences between the ginseng of decomposing plant residues except press cake treatment and the ginseng of control in growth characteristics, it does tend to increase the survival rate and decrease the physiological disorder occurrence rate in most fertilizer treatment except for RSC 2 ton/10a, RSC 4 ton/ 10a and RH 4 kL/10a. Noted that EC is highly increased and exceeded 1.7 ds/m in RSC 2 ton/10a, RSC 4 ton/10a and RH 4kL/10a. It would be caused physiological disorder in many ways and affected ginseng growth characteristics, survival rate.
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KEYWORD
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Korean Ginseng, Paddy-Converted Field, Decomposing Plant Residues, Ginseng Physiological Disorder, Press Cake
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