한국농공학회논문집 (Journal of The Korean Society of Agricultural Engineers)

  • 제56권3호
  • /
  • Pages.47-53
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  • 2014
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  • 1738-3692(pISSN)
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  • 2093-7709(eISSN)
한국농공학회 (The Korean Society of Agricultural Engineers)
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고랭지 밭의 비점오염부하 저감을 위한 지표피복재와 토양개량제의 효과

Effects of Surface Cover and Soil Amendments on the NPS load Reduction from Alpine Fields

  • 원철희 (강원대학교 농업생명과학대학 지역건설공학과) ;
  • 신민환 (강원대학교 농업생명과학대학 지역건설공학과) ;
  • 이수인 (강원대학교 농업생명과학대학 지역건설공학과) ;
  • 금동혁 (강원대학교 농업생명과학대학 지역건설공학과) ;
  • 임경재 (강원대학교 농업생명과학대학 지역건설공학과) ;
  • 최중대 (강원대학교 농업생명과학대학 지역건설공학과)
  • 투고 : 2013.09.13
  • 심사 : 2014.05.14
  • 발행 : 2014.05.31
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초록

We investigated the effect of straw mat cover and soil amendments on the reduction of runoff, non-point source pollution load and yield of a Chinese cabbage from alpine fields. Two plots on sandy loam soil were prepared. Experimental treatments were control and rice straw mat cover (3,300 kg/ha)+Polyacrylamide (PAM) (5 kg/ha)+Gypsum (1 ton/ha) (SPG). A variety of Chinese cabbage was cultivated and runoff was monitored during a growing season in 2012. Monitoring was conducted to seven times. Runoff rate of SPG plot was lower than those of control plot. The reduction rate of runoff from SPG plot was 29.4 % compared to control plot. The reduction rate of suspended solids (SS), total nitrogen (TN) and total phosphorus (TP) load of SPG plot was 86.5 %, 34.7 % and 39.1 %, respectively. Yield of a Chinese cabbage from SPG plot (39,646 kg/ha) was greater than that of control plots (28,482 kg/ha). It was concluded that the use of SPG on soil surface could not only reduce the NPS pollution loads in receiving waters but also help increase the crop yield.

키워드

참고문헌

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피인용 문헌

  1. Application of Surface Cover Materials for Reduction of NPS Pollution on Field-Scale Experimental Plots vol.65, 2016, https://doi.org/10.1002/ird.2067