지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.11
- 수록면
- 499 - 509 (11page)
이용수
초록· 키워드
오류제보하기
The subsoil compaction by heavy agro-machine is an ongoing cumulative process and threat in sustainable agriculture, especially exchange land use. The knowledge concerning the effects of agro-machine on soil physical properties in upland is necessary in arable soil management. The purpose of this study is to assess soil physical properties by heavy agro-machine operating period in upland. The choice of target soils was based on soil series, which preferentially have larger area in Korean upland field, including ranking 1<SUP>st</SUP> to 29<SUP>th</SUP>. Investigated sites of chosen soil series were designated at mainly distributed area of them. The soil physical properties include plow pan depth, bulk density, soil hardness and saturated hydraulic conductivity. From the investigation, soils with heavy agro-machine longer than 10 years, showed higher plow pan thickness, bulk density and hardness, and shallower surface soil depth than soils with heavy agro-machine shorter than 9 yrs. The value of plow pan thickness, bulk density, hardness, and surface soil depth is 19.8 cm, 1.54 Mg m<SUP>-3</SUP>, 21.8 mm and 16.9 cm in front one and 15.2 cm, 1.48 Mg m<SUP>-3</SUP>, 19.3 mm and 18.1 cm in back one. Especially fine silty and heavy clayey upland soils had an increase of plow pan thickness and decrease of saturated hydraulic conductivity by longer use of heavy agro-machine when classified by different soil textural families and upland soil types. Therefore, periodic improvement of physical properties is needed for upland soil management in the long-term point of view.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (24)
참고문헌 신청
Akker, J.J.H. and A. Canarache. 2001. Two European concerted actions on subsoil compaction. Landnutzung and Landentwicklung. 42(1):15-22.
Alakukku, L. 2000. Responses of annual crops to subsoil compaction in a field experiment in clay soil lasting 17 years. p. 205-208. In: R. Horn et al. (ed.) Subsoil Compaction : Distribution, Processes and Consequences. Advances in GeoEcology 32. Catena Verlag, Reiskirchen, Germany.
Cho, H.R., K.H. Han, Y.S. Zhang, K.H. Jung, Y.K. Sonn, M.S. Kim, and S.Y. Choi. 2016. Threshold subsoil bulk density for optimal soil physical quality in upland: inferred through parameter Interactions and Crop Growth Inhibition. Korean Journal of Soil Science and Fertilizer. 49(5):548-554.
Cook, A., C.A. Marriott, W. Seel, and C.E. Mullins. 1996. Effects of soil mechanical impedance on root and shoot growth of Lolium perenne L, Agrostis capillaris and Trifolium repens L. J. Exp. Bot. 47:1075-1084.
Czyz, E.A. 2004. Effects of traffic on soil aeration, bulk density and growth of spring barley. Soil Tillage Res. 79:153-166.
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UCI(KEPA) : I410-ECN-0101-2019-523-000170028