Korean Journal of Soil Science and Fertilizer (한국토양비료학회지)

Korean Society of Soil Science and Fertilizer (한국토양비료학회)
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Growth Response of Hot Pepper Applicated with Ammonium (${NH_4}^+$) and Potassium ($K^+$)-Loaded Zeolite

암모늄이온 (${NH_4}^+$)과 칼륨이온 ($K^+$)이 흡착된 천연 Zeolite 처리가 고추의 생육에 미치는 효과

  • Li, Jun-Xi (Department of Bio-Environmental Science, Sunchon National University) ;
  • Wee, Chi-Do (Department of Bio-Environmental Science, Sunchon National University) ;
  • Sohn, Bo-Kyoon (Department of Bio-Environmental Science, Sunchon National University)
  • 이준시 (순천대학교 농업화학학부) ;
  • 위치도 (순천대학교 농업화학학부) ;
  • 손보균 (순천대학교 농업화학학부)
  • Received : 2010.07.02
  • Accepted : 2010.10.06
  • Published : 2010.10.30
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Abstract

The feasibility of using ammonium (${NH_4}^+$) and potassium ($K^+$)-loaded zeolite (NK-Z) as a slow-release fertilizer to control nitrogen and potassium supply was investigated in this study. The growth responses, which were determined in terms of shoot length, shoot fresh weight, and fresh fruit weight, were greater in plants treated with NK-Z than in those treated with chemical fertilizers (CF) after 18 weeks of transplantation. The total fruit weight per plant in treated with NK-Z as the basal and additional fertilizer (ZBAF) was 14.89% higher than that of CF. The nitrogen and potassium contents in NK-Z amended soils were higher than those in CF amended soils in the final stage of plant growth. The ammonium nitrogen ($NH_4$-N) concentration in ZBAF amended soils was 63.41% higher than that in CF amended soils.

고추 멀칭재배에서 암모늄이온 (${NH_4}^+$)과 칼륨이온 ($K^+$)을 흡착시킨 천연 Zeolite (NK-Z) 처리 효과를 확인하기 위하여, 관행기비, 관행기비와 NK-Z 추비 및 NK-Z 기 추비를 처리하고 고추 유묘를 이식한 후 고추의 생육반응과 토양 중 질소와 칼륨농도의 변화를 경시적으로 조사하였다. 이식 18주 후 NK-Z 기 추비 처리구의 고추는 대조구보다 생육이 크게 향상되었다. 고추과실이 익은 이후 4차례에 걸쳐 수확을 하여 적과의 수량을 비교한 결과, NK-Z 기 추비 처리구의 주당 생체중으로 대조구보다 14.89% 증가하였다. 고추재배 토양 중 ${NH_4}^+$과 $K^+$의 농도의 변화를 분석한 결과 NK-Z 기 추비, NK-Z추비 및 대조구의 순으로 질소와 칼륨농도가 높게 유지되었으며, 이러한 결과는 암모늄이온(${NH_4}^+$)과 칼륨이온($K^+$)이 흡착된 천연 Zeolite가 토양 중 보비력을 증가시킨다. NK-Z 기 추비 처리구의 $NH_4$-N 농도가 대조구보다 63.41% 높았다.

Keywords

References

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