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Effects of Mixture Application of Concentrated Pig Slurry and Byproduct Liquid Fertilizer on the Growth and Yield of Chinese Cabbage  

Ryoo, Jong-Won (상지대학교 유기농생태학과)
Publication Information
Korean Journal of Organic Agriculture / v.18, no.2, 2010 , pp. 271-282 More about this Journal
Abstract
This study was conducted to investigate the effects of concentrated pig slurry and byproduct liquid fertilizer on the growth and yield of chinese cabbage. The experiment was conducted in a rain-shelter house which was installed in the agriculture farm. Plants were fertilized with concentrated slurry (CS), byproduct fertilizer (BF), mixture of concentrated slurry and byproduct liquid fertilizer (CS+BF), combined organic and chemical fertilizer (CS+BF+BF) and chemical fertilizer (CF) as control. 1. The pH level of byproduct liquid was decreased from the 3rd to the 7th day and increased 9 day to 14th day, but pH of concentrated slurry (CS) was not greatly varied. EC of concentrated slurry (CS) and byproduct liquid was increased gradually during the fermentation. 2. The concentrated slurry (CS) was low in phosphorus, calcium, magnesium, rich in potassium and unbalanced as a low nitrogen and high potassium. But byproduct liquid fertilizer was balanced in nitrogen and potassium ratio. 3. The leaf number, head height, head width of chinese cabbage in treatment with organic and chemical fertilizer (CS+BF+N) showed significant difference compared with control. The plant and head weight of chinese cabbage in treatment of concentrated slurry was severely decreased, but that in treatment organic and chemical fertilizer (CS+BF+N) were increased 8, 10% compared with control chemical fertilizer (CF), respectively. 4. The content of $K_2O$ in plant tissue and in soil was increased after using concentrated slurry. On the other hand, mineral content of except $K_2O$ did not differ significantly between any of the treatments. In conclusion, organic and chemical fertilizer (CS+BF+N) could improve growth and head weight of chinese cabbage.
Keywords
chinese cabbage; concentrated pig slurry; byproduct liquid fertilizer; combined organic and chemical fertilizer;
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Times Cited By KSCI : 1  (Citation Analysis)
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