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KMID : 1024520150240010017
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Journal of the Environmental Sciences
2015 Volume.24 No. 1 p.17 ~ p.23
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Effect of Basal Application of Effective Microorganisms on the Growth and Yield of Cucumber
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Kim Young-Chil
Ann Seoung-Won
Kang Tae-Ju
Park Gab-Soon
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Abstract
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This study was aimed to determine the effect of basal application of Effective Microorganisms (EM) on the grow and yield
of cucumber. For treatments, the EM was applied to soil with fertilizer composed with N-P2O5-K2O-manure
(24.0-16.4-23.8-2,000kg) in the 1.0 strength (defined as EM+1S), 2/3 strength (defined as EM+2/3S), 1/2 strength (defined as EM+1/2S), without fertilizer (defined as EM), or only fertilizer in the 1.0 strength (defined as 1S). In result, there was no
significant differences of organic substance content and pH with the EM treatment. While the EC (Electric conductivity)
concentration was decreased, plant-available P (phosphorus) was markedly increased. Chlorophyll content was highest in the treatment of EM+standard application rate for both semi-forcing and retarding culture. In contrast, no significant difference was found in plant height and internode length under the fertilizer treatment. Weekly harvested number of cucumber was highest at the treatment of EM+standard application for the semi-forcing culture, while it was 3.6 at the EM+1/2 application for the retarding culture. Weekly yield was greatest at the EM+standard application treatment and decreased with the decrease of fertilizer application rate. In addition, weekly yield was significantly reduced in the treatment of EM . There was no significant difference in yields by production time with the fertilizer applications?. Yield was increased with temperature for the semi-forcing culture, while consistent pattern was maintained for the retarding culture.
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KEYWORD
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Effective Microorganisms, Yield potential, Chlorophyll, Electric conductivity
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