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2020 Vol.62, Issue 4 Preview Page
Effect of Chain Type Mole-Drainer Attached to Tractor for Drainage Improvement

배수개선을 위한 트랙터 부착식 체인형 암거 천공기의 적용 효과

Jonggil Jeona
,
Yonghun Choib†
,
Minyoung Kimc
,
Youngjin Kimd
,
Sangbong Leee
전 종길a
,
최 용훈b†
,
김 민영c
,
김 영진d
,
이 상봉e
aAgricultural Researcher, Department of Agricultural Engineering, National Institute of Agricultural Sciences (NAS), Rural Development Administration (RDA)
a농촌진흥청 국립농업과학원 농업공학과 농업연구사
bPost-doctoral Researcher, Department of Agricultural Engineering, National Institute of Agricultural Sciences (NAS), Rural Development Administration (RDA)
b박사 후 국립농업과학원 농업공학부(NAS), 농촌진흥청(RDA)
cAgricultural Researcher, R&D Coordination Division, Research Policy Bureau, Rural Development Administration (RDA)
c농촌진흥청 연구정책국 농업연구관, R&D조정과
dAgricultural Researcher, Department of Agricultural Engineering, National Institute of Agricultural Sciences (NAS), Rural Development Administration (RDA)
d농업 연구원, 국립농업과학원 농업공학부, 농촌진흥청(RDA)
eAgricultural Researcher, Department of Agricultural Engineering, National Institute of Agricultural Sciences (NAS), Rural Development Administration (RDA)
e농업 연구원, 국립농업과학원 농업공학부(NAS), 농촌진흥청(RDA)
† Corresponding author Tel.: +82-63-238-4161, Fax: +82-63-238-4145 E-mail: yhchoi82@korea.kr
2020. pp. 63-73
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Abstract

The area of paddy fields for upland crop cultivation is gradually increasing. In this context, we developed a chain type mole drainer that can be attached to a tractor to prevent the wet injury of crops. To conduct a field test, we formed underdrains at 2 m intervals in a paddy field wherein soybeans are cultivated, and we investigated the status of the soil moisture, groundwater level, and soybean growth during the cultivation period. The soil moisture content decreased by 22.3~26.8% in the test plot and by 5.9~6.9% in the control plot during a period of 57~88 hour after a rainfall of 41.5~157.0 mm. The effect of underdrainage was clear as the hourly groundwater level decreased approximately 2.8 times faster in the test plot compared with the control plot. Moreover, the soybean yield was greater by 78.6 kg/10a in the test plot than in the control plot. Therefore, for soybean cultivation in paddy fields, the use of the developed mole drainer is expected to help in improving the drainage and increasing the soybean yield

References

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Information
  • Publisher :The Korean Society of Agricultural Engineers
  • Publisher(Ko) :한국농공학회
  • Journal Title :Journal of Korean Society of Agricultural Engineers
  • Journal Title(Ko) :한국농공학회논문집
  • Volume : 62
  • No :4
  • Pages :63-73
  • Received Date : 2020-05-07
  • Revised Date : 2020-07-15
  • Accepted Date : 2020-07-17
  • DOI :https://doi.org/10.5389/KSAE.2020.62.4.063
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