KOREAN JOURNAL OF CROP SCIENCE (한국작물학회지)
- Volume 41 Issue 1
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- Pages.68-76
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- 1996
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- 0252-9777(pISSN)
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- 2287-8432(eISSN)
Effect of Band Application of Slow Release Fertilizer on Rice Growth and Yield in Puddled-soil Drill Seeding
벼 무논골뿌림재배시 완효성비료의 측조 시비가 생육 및 수량에 미치는 영향
- Kim, Sang-Su (Nat. Honam Agriculture Experiment Station, RDA) ;
- Choi, Min-Gyu (Nat. Honam Agriculture Experiment Station, RDA) ;
- Park, Keon-Ho (Nat. Honam Agriculture Experiment Station, RDA) ;
- Lee, Seon-Yong (Nat. Honam Agriculture Experiment Station, RDA) ;
- Cho, Su-Yeon (Nat. Honam Agriculture Experiment Station, RDA) ;
- Cho, Dong-Sam (Chungbuk University)
- Published : 1996.02.01
Abstract
To elucidate the optimum fertilizer level and application method for band application under puddled-soil drill seeding in Jeonbuk series of fluvio-marine alluvial soil at National Honam Agricultural Experiment Station in 1995, using Dongjinbyeo, slow releasing compound fertilizer of 100% and 80% to conventional application level was applied totally as basal fertilizer simultaneously with seeding under 3cm and 5cm depth from soil surface in a distance of 4cm from the seeded row. Plant height was taller and tiller number was higher in band application than conventional application but ratio of effective tiller was vice versa. Panicle number was more but ratio of effective tiller ratio was lower in 100% than 80% level of band application and they were higher in 3cm than 5cm depth from soil surface. Leaf area index and dry weight was higher in conventional application at early growth stage but was vice versa after maximum tillering stage, and they were higher in 3cm depth at early growth stage but 5cm depth after maximum tillering stage. NH
본시험은 하해습성 충적통인 전북통에서 벼 무논골뿌림재배시 측조시비에 알맞은 시비량 및 시비방법을 밝히고자 1995년에 동진벼를 10a당 5kg씩 5월 15일에 6조식 모논골뿌림 파종기로 파종하는 동시에 표준시비량의 100%와 80%량의 완효성 복비를 파종기부착 측조시비기로 파종골의 측면 4cm에 3cm깊이와 5cm길이로 전량을 기비로 시용하여 시험한 결과를 요약하면 다음과 같다. 1. 측조시비에서는 어느 파종방법이나 관행보다 초장이 길고 경수가 많았으나 유효경비율은 적었고, 측조시비방법간에는 100%가 80%시비보다 수수는 많았으나 유효경비율이 적었고, 3cm가 5cm깊이 시비보다 수수가 많고 유효경비율도 높았다. 2. 엽면적지수와 건물중은 생육초기에는 측조시비보다 관행시비서 높았으나 최고분얼기 이후는 측조시비가 높았고 측조시비방법간에는 생육초기는 3cm깊이 시비가 5cm깊이 시비보다 높았으나 최고분얼기 이후는 5cm시비에서 높았다. 3. 토양중 NH