유기물자원화 (Journal of the Korea Organic Resources Recycling Association)

  • 제25권4호
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  • Pages.23-29
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  • 2017
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  • 1225-6498(pISSN)
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  • 2508-3015(eISSN)
유기성자원학회 (Korea Organic Resources Recycling Association)
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유박비료 시비가 수수류의 생육특성 및 건물수량에 미치는 영향

Effects of Growth Characteristics and Dry Matter Yield of Organic Mixed Expeller Cake Fertilizer in Sorghum-Sudangrass Hybrids

  • 박만호 (전라남도농업기술원 축산연구소) ;
  • 김기수 (전라남도농업기술원 축산연구소)
  • Park, Man-Ho (Livestock Institute, Jeollanamdo Agricultural Research and Extension Services) ;
  • Kim, Ki-Soo (Livestock Institute, Jeollanamdo Agricultural Research and Extension Services)
  • 투고 : 2017.12.04
  • 심사 : 2017.12.13
  • 발행 : 2017.12.30
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초록

본 연구는 조사료 생산 분야에서 화학비료를 사용하는 관행농법에서 벗어나 유기재배 기술개발을 위하여 관행재배와 유기재배의 수량성, 사료가치 등을 비교 조사하였다. 시험은 전남 강진군 작천면 소재 축산연구소의 논에서 수행하였다. 유기질 비료로는 질소성분이 4.0% 함유된 유박비료를 이용하였으며, 시험구 편성은 대조구(Con)와 대조구 질소 함량 기준으로 환산하여 유박비료 100% 처리구(T1), 유박비료 150% 처리구(T2), 유박비료200% 처리구(T3)로 구성 하였다. 시험품종은 수수${\times}$수단그라스 교잡종(SX17)을 5월 25일에 ha당 40kg을 휴립세조파(조간 50cm)로 파종하였다. 수확기 처리구별 초장은 대조구 317cm, T1 252cm, T2 269cm, T3 293cm으로 대조구가 가장 우수하였고, 시비 처리구에 따른 시험구에서는 시비량의 증가에 따라 증가하였고, 건초량은 대조구 11.386kg/ha, T1 6,015kg/ha, T2 6,799kg/ha, T3 7,627kg/ha으로 초장의 생육과 동일한 경향을 보였다. 조단백질은 대조구 7.0%, T1 5.7%, T2 6.3%, T3 5.1%로 시험 처리구에서는 T2에서 가장 높았다. 이와 같은 결과로 유박비료를 대조구 시비량 질소 함량 대비 150% 시비에서 사료가치는 유의적 차이를 보이지 않았으나, 초장과 건초량이 증가가 이루어졌으므로 150% 기준으로 시비하는 것이 적합할 것으로 판단된다.

This experiment was carried out to compare the productivity and feed value between standard cultivation and organic mixed expeller cake fertilizer cultivation to develop organic cultivation technology except from standard cultivation using chemical fertilizers in the field of forage production. This study was conducted in the rice field of Livestock Research Institute Jacheon-myeon, Gangin-gun Jellanam-do. Organic mixed expeller cake fertilizer consists of 4.0% nitrogen, 65% castor, 30% seeds and 5% fish meal. Sorghum-Sudangrass Hybrids(SX17) was sowed 40kg per hectare on May 25. Test group formation was consisted of a standard group and test treatment. The standard group(Con.) was fertilized chemical fertilizer according to the N-P-K kg/ha, 200-150-150 (basal 100kg, uptake 100kg). Test treatment was carried out organic fertilizer 100%(T1), organic fertilizer 150%(T2) and organic fertilizer 200%(T3) according to the nitrogen content of standard group(Con.). Plant height of harvest time depending on the treatment was that Con was 317cm, T1 was 252cm, T2 was 269cm and T3 was 293cm. Dry matter yield was that Con was 11,386kg/ha, T1 was 6,015kg/ha, T2 was 6,799kg/ha, T3 was 7,627kg/ha. In the test treatment, plant height and dry matter yield increased with increasing fertilizer. Crude protein was the height in Con(7.0%) and Crude protein of test treatment was T1(5.7%), T2(6.3%), and T3(5.1%). As a result of this study, T2 was recommended.

키워드

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