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논문 기본 정보

자료유형
학술저널
저자정보
백계령 (국립식량과학원) 이정태 (국립식량과학원)
저널정보
한국환경과학회 한국환경과학회지 한국환경과학회지 제30권 제12호
발행연도
2021.12
수록면
1,015 - 1,025 (11page)

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초록· 키워드

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Our research work aimed to evaluate cover crop effects of winter rye on soil characteristics, soil conservation, and yield productivities on potato fields with 15% slope during a fallowed period. There were two controls of bared field without any cultivation and conventional potato cultivation without winter rye. Potato cultivation increased soil pH, organic matter, available phosphate, and exchangeable cation regardless of cover crop cultivation. Sub-soil, particularly, all components of soil chemical properties showed higher value in winter rye cultivation than conventional cultivation. Higher soil density was observed on cover crop cultivation than conventional cultivation resulting from root residues of the cover crop both topsoil and subsoil. Cover crop residues positively affected plant growth and reduced the amount of soil erosion by holding the soil. Although severe soil erosion was seen in conventional cultivation, winter rye cultivation declined soil erosion by 47% during the fallow period on potato slope fields. Distinct soil bacterial communities were detected among treatments and some OTU(Operational Taxonomic Unit)s showed significantly higher abundance in winter rye treatment. Total yield and commercial rate demonstrated no significant differences while higher tuber phosphate, K<SUP>+</SUP>, and Mg<SUP>2+</SUP> contents were observed in winter rye cultivation.

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Abstract
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 결론
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