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Effects of Nutrient Solutions and Their Supplying Frequency on Seedling Growth and Utilization of Minerals in Hydroponic Rice Seedling Raising  

김영광 (경상남도농업기술원)
홍광표 (경상남도농업기술원)
정완규 (경상남도농업기술원)
손길만 (경상남도농업기술원)
송근우 (경상남도농업기술원)
강진호 (경상대학교 응용생명과학부)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.48, no.3, 2003 , pp. 205-208 More about this Journal
Abstract
This study was conducted to develop a technology for raising rice hydroponically seedlings using the bed in which the seedlings grew in nutrient solution without soil. In Hydroponic rice seedlings, two nutrient solutions (Yashida and Wonsi) were evaluated with four supplying methods $[$3 times (2 days, 8 days and 12 days after seeding), 2 times (5 days and 10 days after seeding), and 1 time (5 days and 10 days after seeding)$]$1, Seedling growth was not different between the two solutions. However, tensile strength of root-mat was higher in Yoshida solution than in Wonsi solution. The more frequent supply of solution resulted in the better seedling growth but in the weaker root mat. Utilization efficiency of the solution minerals was not different in N content regardless of supplying frequencies, but higher in r, K, Ca and Mg when supplied only once on the 5 days after seeding.
Keywords
Rice; Hydroponic seedlings; Nutrient solution.;
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