한국토양비료학회지 (Korean Journal of Soil Science and Fertilizer)

  • 제45권5호
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  • Pages.779-786
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  • 2012
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  • 0367-6315(pISSN)
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  • 2288-2162(eISSN)
한국토양비료학회 (Korean Society of Soil Science and Fertilizer)
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녹비작물 재배 시 SCB 액비 혼용이 배나무 생육 및 양분 환원 가능량, 토양 물리화학성에 미치는 영향

Effect of SCB Liquid Manure Application in Pear Orchard Managed by Cover Crop System on Tree Growth, Potential Nutrient Recovery and Soil Physicochemical Properties

  • 이성은 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 박진면 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 최동근 (전북대학교 원예학과)
  • Lee, Seong-Eun (Horticultural & Herbal Crop Environment Division, National Institute of Horticultural & Herbal Science) ;
  • Park, Jin-Myeon (Horticultural & Herbal Crop Environment Division, National Institute of Horticultural & Herbal Science) ;
  • Choi, Dong-Geun (Department of Horticulture, Jeonbuk National University)
  • 투고 : 2012.09.24
  • 심사 : 2012.10.11
  • 발행 : 2012.10.30
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초록

과수원에서 화학비료 대체 가능성을 검토하기 위하여 녹비 작물을 단독으로 재배하는 경우와 녹비 재배 시 SCB 액비를 혼용하는 경우 녹비 생산량 및 토양 물리화학성 변화, 배 잎의 무기성분 함량 및 광합성 특성을 비교 분석하였다. 화본과 녹비작물의 경우, 녹비 단독 처리에 비해 SCB 액비 혼용 처리의 경우 녹비 생산량이 유의하게 증가하였고, 두과 녹비에 있어서도 유의성은 인정되지 않았으나 액비 혼용처리 시 생체중 및 건물중이 높게 나타났다. 호밀 + 액비 처리구와 헤어리베치 + 액비 처리구에서는 각각의 경우 액비를 시용하지 않았을 때보다 용적밀도가 감소하여 과수의 뿌리 생장이 용이할 것으로 판단되었다. 녹비 단독 및 녹비 + 액비 처리와 화학비료 시용에 따른 배 잎의 무기 성분함량은 처리 간에 차이가 없었다. 순광합성량 또한 처리 평균 간 차이가 인정되지 않았으나, 녹비 + 액비 혼용 처리구에서 녹비 단독 처리에 비해 높은 경향을 보였으며, 헤어리베치 + 액비의 경우 화학비료와 거의 같은 수준의 동화율을 보여 배 과원 표토 및 양분 관리를 위한 녹비 재배 시 활용 가능성이 높은 것으로 판단되었다. 녹비 단독 및 SCB 액비 혼용처리에 따른 토양 화학성 변화는 화학비료 처리에 비하여 pH는 높았고 질산태 질소는 장마기 이후 비슷한 경향을 보였으며, 치환성 칼리는 낮았으나, 치환성 마그네슘은 높게 나타났고, 녹비 단독 처리구와 비교 결과 SCB 액비 혼용 처리에서 약간 높은 경향을 나타내었다. 이상의 결과를 종합했을 때 과원에서 녹비작물 재배 시 장기적인 화학비료 대체를 위해서는 SCB 액비를 함께 도입함으로써 부족한 양분을 보충하는 것이 필요할 것으로 판단되었다.

Many farmers have been seeking alternatives to chemical fertilizer for successful organic fruit production. This experiment was carried out to investigate the replaceability of chemical fertilizer by cover crop and slurry composting biofiltration (SCB) liquid manure (LM) application in pear orchard. Three treatments were contained in this experiment; cover crop only and cover crop + LM treatment, and control (chemical fertilizer application). Dry weight and mineral contents of gramineous cover crops were significantly increased in LM-combined treatments than that of leguminous species. Bulk density of soil was decreased in rye + LM and hairy vetch + LM treatments, compared with each cover crop treatment. Soil pH was lowest in fertilizer treatment and soil nitrate content became similar between treatments after rainy season. Available soil phosphate was lower in cover crop and cover crop + LM treatmemts than control, but exchangeable Mg was higher. The mineral content and net assimilation rate of leaves showed no difference between the treatments. As a result, it is suggested that the application of SCB liquid manure in pear orchard managed by cover crops is desirable to maintain the productivity by improving soil physical properties and potential nutrient recovery.

키워드

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피인용 문헌

  1. Cutting Frequency and Liquid Manure Application on Green Manure Production of Rye and Hairy Vetch in Pear Orchard vol.46, pp.5, 2013, https://doi.org/10.7745/KJSSF.2013.46.5.322
  2. Effect of Cover Crop Species and Liquid Manure Application Rate on Green Manure Production, Leaf Mineral Content, Fruit Quality and Soil Chemical Properties in Pear Orchard vol.47, pp.6, 2014, https://doi.org/10.7745/KJSSF.2014.47.6.558
  3. Effect of cover crop species and SCB liquid manure application on leaf mineral content, fruit quality, and soil chemical properties in an Asian pear (Pyrus pyrifolia) orchard pp.1146, 2016, https://doi.org/10.17660/ActaHortic.2016.1146.7
  4. Effect of Mixed Liquid Fertilization on Growth Responses of Red peppers and Soil Chemical Properties vol.48, pp.3, 2015, https://doi.org/10.7745/KJSSF.2015.48.3.225