Korean Journal of Soil Science and Fertilizer (한국토양비료학회지)

Korean Society of Soil Science and Fertilizer (한국토양비료학회)
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Effect of Tillage Depth and Amount of Compost on Red Pepper Growth

경운깊이 및 퇴비 시용량이 고추 생육에 미치는 영향

  • Lee, Gyeong-Ja (Chungbuk Agricultural Research and Extension Services) ;
  • Kim, Young-Sang (Chungbuk Agricultural Research and Extension Services) ;
  • Song, In-Gyu (Chungbuk Agricultural Research and Extension Services)
  • Received : 2010.11.02
  • Accepted : 2010.12.13
  • Published : 2010.12.31
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Abstract

Experiments were conducted to find out the optimum amount of compost and tillage depths in pepper cultivation. Red pepper was grown in different plots with 10 cm, 30 cm, and 50 cm in tillage depth, and was applied with 1 ton, 3 ton, and 5 ton $10a^{-1}$, respectively. The pH value in soil showed lower level after experiment than before experiment, however, the contents of the EC, Av. $P_2O_5$, K, Ca, Mg, and Na were increased after experiment. The chemical contents in soil after experiment showed higher level in compost 5 ton $10a^{-1}$. The growth of red pepper in field was enhanced in the compost treatment of 3 ton, 5 ton $10a^{-1}$, and tillage 50 cm plot. In tillage 10 cm plot, yields of red pepper showed the highest amount as 5,880 kg $ha^{-1}$ with compost 3 ton $10a^{-1}$. In tillage 30 cm plot, the yields of red pepper showed the highest as 5,610 kg $ha^{-1}$ with compost 5 ton $10a^{-1}$. The T-N contents and uptake in the red pepper plant increased in the compost in 3 ton $10a^{-1}$ and 5 ton $10a^{-1}$ compared to 1 ton $10a^{-1}$. These results suggest that different amounts of compost should be applied when we cultivate crops with different tillage depth.

노지 고추재배시 경운 깊이에 따른 유기물 함량을 구명하여 지속적 안전생산에 활용하고자 경운 깊이는 10, 30 및 50 cm로 하고 퇴비의 양을 1, 3 및 5 톤 $10a^{-1}$으로 처리하여 고추를 재배한 결과 다음과 같다. (1) 시험후 토양의 pH는 모든 처리에서 시험전 토양보다 낮아졌으며 EC를 비롯한 Av. $P_2O_5$, K, Ca, Mg, Na는 시험전보다 높았다. 퇴비 시용량 별로는 퇴비 1 톤 $10a^{-1}$ 및 3 톤 $10a^{-1}$ 처리에 비해 퇴비 5 톤 $10a^{-1}$에서 높았다. (2) 고추 생육은 퇴비 1 톤 $10a^{-1}$처리에 비하여 퇴비 3 톤 및 5 톤 $10a^{-1}$에서 좋았으며, 경운깊이 10 cm 및 30 cm에 비해 경운깊이 50 cm에서 좋았다. (3) 고추 수량은 경운깊이 10 cm에서는 퇴비 3 톤 $10a^{-1}$ 처리에서 5,880 kg $ha^{-1}$으로 가장 좋았고, 경운깊이 30 cm 에서는 퇴비 5 톤 $10a^{-1}$ 처리에서 5,610 kg $ha^{-1}$으로 가장 좋았다. (4) 고추식물체의 T-N 함량 및 흡수량은 퇴비 3 톤 $10a^{-1}$ 및 5 톤 $10a^{-1}$ 처리에서 1 톤 $10a^{-1}$처리에 비해 높았다.

Keywords

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