유기물자원화 (Journal of the Korea Organic Resources Recycling Association)

  • 제32권3호
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  • Pages.31-41
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  • 2024
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  • 1225-6498(pISSN)
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  • 2508-3015(eISSN)
유기성자원학회 (Korea Organic Resources Recycling Association)
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음식물류폐기물 혼합 가축분 퇴비 연용에 따른 고추(Capsicum annuum L.) 생육 및 토양 화학적 특성 평가

Evaluation on Growth Characteristics of Red Pepper (Capsicum annuum L.) and Soil Chemical Properties by Continuous Application of Food Waste Compost with Manure

  • 윤진주 (농촌진흥청 국립농업과학원 토양비료과) ;
  • 정영재 (농촌진흥청 국립농업과학원 기후변화평가과) ;
  • 김성헌 (농촌진흥청 국립농업과학원 토양비료과) ;
  • 전상호 (농촌진흥청 국립농업과학원 토양비료과) ;
  • 노안성 (농촌진흥청 국립농업과학원 토양비료과) ;
  • 권순익 (농촌진흥청 국립농업과학원 토양비료과) ;
  • 이유나 (농촌진흥청 국립농업과학원 토양비료과) ;
  • 심재홍 (농촌진흥청 국립농업과학원 토양비료과)
  • Jin-Ju Yun (Division of Soil and Fertilizer, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Young-Jae Jeong (Division of Climate Change Assessment, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Seong-Heon Kim (Division of Soil and Fertilizer, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Sang-Ho Jeon (Division of Soil and Fertilizer, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Ahn-Sung Roh (Division of Soil and Fertilizer, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Soon-Ik Kwon (Division of Soil and Fertilizer, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Yu-Na Lee (Division of Soil and Fertilizer, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Jae-Hong Shim (Division of Soil and Fertilizer, National Institute of Agricultural Sciences, Rural Development Administration)
  • 투고 : 2024.08.14
  • 심사 : 2024.09.11
  • 발행 : 2024.09.30
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초록

음식물류폐기물은 호기성퇴비화 방법으로 음식물류폐기물 퇴비를 제조하여 자원화하고 있다. 그러나 음식물류폐기물의 높은 염분 함량으로 인해 토양염류집적 등 농경지 사용에 대한 우려가 제기되며, 이를 해결하기 위해 염분함량이 낮은 가축분뇨 등을 혼합하여 퇴비화하고 있다. 이에 본 연구는 음식물류폐기물 혼합 가축분 퇴비(이하, 음폐혼합퇴비, Food Waste Compost with Manure, FWC)의 연용 및 사용량에 따른 고추의 생육 및 토양 화학적 특성을 평가하고자 하였다. 본 연구는 무처리구(NF), 무기질비료 처리구(NPK, N-P2O5-K2O=19.0-11.2-14.9 kg 10a-1), 무기질 비료 + 음폐혼합퇴비 처리구(NPKFWC)로 설정하였으며, 음폐혼합퇴비 처리구는 토양 유기물 함량에 따른 퇴비 사용량을 기준하여 900 kg 10a-1, 1,800 kg 10a-1 및 2,700 kg 10a-1 (FWC1, 2, 3)으로 설정하였다. 고추 수량조사 결과, 무처리구 대비 NPKFWC1, NPKFWC2에서 약 1.8배 높았으며, 추천사용량의 300%를 처리한 NPKFWC3에는 오히려 감소하는 경향을 보였다. 또한 3년간 연용시 모든 음폐혼합퇴비 처리구에서 감소하는 경향을 보였으며, NPKFWC3에서 1년차에 3,265 kg 10a-1에서 3년차에 1,948 kg 10a-1로 약 40% 감소하였다. 시험 후 토양 화학성분석 결과, 무기질비료를 단독 처리하였을 때보다 음폐혼합퇴비 처리 시 토양유기물, 유효인산, 교환성 양이온 등의 함량이 증가하였다. 교환성 나트륨은 모든처리구에서 시험 전 토양에 비해 통계적 유의성 있게 증가하였으나 변화는 미미하였으며, 음폐혼합퇴비에 따른 염류집적피해는 나타나지 않은 것으로 판단된다. 본 연구 결과, 음폐혼합퇴비과량사용은 양분이용효율 뿐만아니라 작물수량을 감소시키는 것을 확인하였으며, 따라서 작물의 생육 및 토양에 대한 영향 등을 종합적으로 고려했을 때 음폐혼합퇴비는 정량사용이 효과적이라고 판단된다.

Food waste compost with high salt content produced by aerobic digestion, but concerns about application of cropland. To address this issue, food waste is being composted by mixing it with livestock manure, which has a lower salt content. Therefore, this study aimed to evaluate the growth characteristics of red pepper and soil chemical properties for continuous application with different amounts of food waste compost with manure (FWC). Treatments were consisted of no fertilizer (NF), inorganic fertilizer (N-N-P2O5-K2O, 19.0-11.2-14.9 kg 10a-1), and inorganic fertilizer + food waste compost with manure (NPKFWC). FWC treatment was applied at three treatment rates based on soil organic matter content: 900 kg 10a-1, 1,800 kg 10a-1, and 2,700 kg 10a-1 ( referred to a s FWC 1, 2, 3 , respectively). As a r esult of the red pepper yield was about 1.8 times higher in NPKFWC 1 and NPKFWC 2 than that in the NF, but decreased in the NPKFWC 3, 300% of the recommended FWC application rate. Yield decreased in all FWC treatments with continuous application for three year and also decreased about 40% from 3,265 kg 10a-1 in the first year to 1,948 kg 10a-1 in the third year. For the soil chemical properties, the content of soil organic matter, available P2O5, and exchangeable cations increased in the FWC treatments, and were higher than the NF. Exchangeable sodium in all treatments was increased slightly compared to the soil before used, and no significant salinization was observed in the FWC. This study confirmed that excessive use of FWC not only reduced nutrient use efficiency, but also decreased the red pepper yield. Therefore, it is concluded that optimum usage of FWC is effective for agroecological impacts.

키워드

과제정보

본 연구는 농촌진흥청 공동연구사업인 농촌현안 해결 리빙랩 프로젝트 중 "음식물류폐기물을 활용한 가축분 퇴비의 품질 균일화 기술 개발 (PJ015293)" 과제의 지원을 받아 연구되었음.

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