Weed & Turfgrass Science

The Korean Society of Weed Science & The Turfgrass Society of Korea Archive (한국잡초학회 & 한국잔디학회)
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Improvement of Growth and Soil Environment by Topdressing and Tillage in Zoysiagrass (Zoysia japonica) Cultivation Field

잔디 재배지에서 배토와 경운처리에 의한 잔디생육 및 토양환경 개선

  • Han, Jeong-Ji (Southern Forest Resources Research Center, National Institute of Forest Science) ;
  • Choi, Su-Min (Southern Forest Resources Research Center, National Institute of Forest Science) ;
  • Lee, Kwang-Soo (Southern Forest Resources Research Center, National Institute of Forest Science) ;
  • Park, Yong-Bae (Southern Forest Resources Research Center, National Institute of Forest Science) ;
  • Bae, Eun-Ji (Southern Forest Resources Research Center, National Institute of Forest Science)
  • 한정지 (국립산림과학원 남부산림자원연구소) ;
  • 최수민 (국립산림과학원 남부산림자원연구소) ;
  • 이광수 (국립산림과학원 남부산림자원연구소) ;
  • 박용배 (국립산림과학원 남부산림자원연구소) ;
  • 배은지 (국립산림과학원 남부산림자원연구소)
  • Received : 2016.05.17
  • Accepted : 2016.06.28
  • Published : 2016.09.30
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Abstract

To establish the soil management system for the efficient sod production, survey on the growth of zoysiagrass by different soil managements was conducted in repeated cultivation field with regard to soil physical properties. Soils were subjected to four types of management methods, which include (1) rolling (2) topdressing (3) topdressing + rolling (4) topdressing + tillage + rolling. The topdressing + tillage + rolling treatment significantly ameliorated soil physical properties such as bulk density, porosity and solid phase as compared to rolling and topdressing + rolling treatments, and was not significantly different from the topdressing treatment. Further growth and density of zoysiagrass except for the root dry weight in topdressing + tillage + rolling treatment were significantly higher than that only in rolling treatment. Topdressing + tillage + rolling treatment significantly increased the number of shoot as compared to the other treatments. Therefore, combined topdressing and tillage soil management practice should be conducted for the production of zoysiagrass in repeated cultivation field.

잔디 뗏장의 효율적인 생산을 위한 토양 관리 시스템을 구축하기 위해 토양관리에 따른 잔디의 생육에 대한 연구를 수행하였다. 토양관리는 4가지 방법 (1) 답압 처리구 (2) 배토 처리구 (3) 배토 +답압 처리구 (4) 배토 +경운 +답압 혼합 처리구로 실시하였다. 토양의 물리성은 배토 +경운 +답압 혼합 처리구가 답압과 배토 +답압 처리구에 비해 용적비중과 공극률, 고상비 등이 통계적으로 유의하게 개선되었으나, 배토 처리구와는 통계적으로 유의한 차이가 없었다. 토양 관리방법에 따른 잔디생육의 특성을 조사한 결과, 답압작업에 비해 배토만 하거나 배토와 함께 토양 경운의 방법을 추가하였을 때 식물체의 생육이 향상되는 결과를 나타내었다. 따라서 잔디 연작 재배지의 경우 토양 물리성 개선을 위한 배토, 경운, 답압등의 토양 갱신작업을 통해 잔디의 적정밀도 유지와 양질의 잔디를 생산할 수 있도록 해야 할 것이다.

Keywords

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