Effect of Green Manure Crops Incorporation for Reduction of Pythium zingiberum in Ginger Continuous Cultivation

생강연작재배지에서 Pythium zingiberum 경감을 위한 녹비작물 재배효과

  • Received : 2014.10.06
  • Accepted : 2015.04.10
  • Published : 2015.04.30


This experiment was carried out to evaluate the effects of green manure crops on the changes of chemical properties and microorganisms in soil of continuous ginger cultivation. The biomass and nitrogen absorption of green manure crop were the highest in crimson clover. After cropping, soil phosphate content was the lowest in orchard grass, however, T-N content was the highest of hairy vetch > crimson clover > orchard grass. Also real-time PCR analysis was conducted to measure density of Pythium zingiberum in soil of before and after incorporation of green manure crop. Density of P. zingiberum was the lowest of all the green manures. In this results are summarized that green manure cropping reduced salt accumulation and density of P. zingiberum in continuous ginger cultivation.


Green manure;Continuous ginger cultivation;Pythium zingiberum;Salt accumulation;Soil microorganisms


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