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중부지역 답리작에서 두과 및 화본과 녹비작물의 재배방법에 따른 biomass, 질소 함량이 벼 수량에 미치는 영향
전원태,성기영,김민태,오인석,최봉수,강위금 한국토양비료학회 2011 한국토양비료학회지 Vol.44 No.5
The cultivation methods are important for determining crop yield of green manure. The effect of cultivation methods of green manure crops (GMC) on biomass and rice yield was investigated. This experiment was conducted at Sinheung series (fine loamy, mixed, nonacid, mesic family of Fluvaquentic Endoaquepts from Oct. 2007 to Oct. 2008 at the National Institute of Crop Science (NICS), RDA, Suwon, Gyeonggi province,Korea. Seven GMC (hairy vetch, barley, Chinese milk vetch, rye, crimson clover, oats, rattail fescue) were cultivated and incorporated on paddy soil by broadcasting before rice harvesting (BBRH) and partial tillage seeding (PTS). Among the three leguminous GMC, the biomass and N production were the highest at the hairy vetch of PTS. Among the four gramineae GMC, the biomass and N production tended to be higher in the rye of BBRH and barley of PTS. The C/N ratio (56.5~74.2) of rye was high compared with hairy vetch (14.1). Among the GMC, the incorporation of hairy vetch increased NH_4-N contents in rice paddy soil at 14 and 42days after transplanting. These results showed that hairy vetch had no significant to rice yield compared with conventional fertilization. Therefore, hairy vetch seems to be the most efficient green manure crop as an alternatives to chemical N fertilizer in the central regions of Korea.
전원태,성기영,오계정,조현숙,정광호,오인석,박성태,김충국,강위금 한국작물학회 2010 한국작물학회 학술발표대회 논문집 Vol.2010 No.04
녹비작물 재배는 작부체계상 토양의 건전성(soil quality) 향상과 농업생태계의 지속성(substantiality) 유지에 중요한 역할을 한다. 본시험의 목적은 답리작에서 녹비작물 헤어리베치 (Vicia Villosa R.)의 재배 및 벼 이용 시 안전성을 증진하기 위하여 수행하였다. 시험은 2006/2007년부터 2008/2009년까지 3개년간 포장에서 수행 하였다. 시험포장은 경기도 수원시 소재 국립식량과학원 벼 시험포장인 신흥통(식양질)에서 수행하였다. 헤어 리베치는 중국에서 수입한 H-1을 10월 상순경에 벼 부분경운파종기를 이용하여 파종하였다. 벼 품종은 중생 종인 풍미벼(‘07, ’08)와 조생종인 운광벼(‘09)로 25~30일묘를 6월 상순에 기계이앙하였다. 시험 기간 3년 모두 부분경운파종 시 헤어리베치의 biomass 및 질소 생산성은 벼 입모중파종과 유의적인 차이는 없었고 벼 수량도 차이가 없었다. 또한 2008/2009년에는 부분경운 파종 시 파종량 9 kg/10a와 6 kg/10a도 헤어리베치 biomass와 쌀수량이 유의적 차이가 없었다. 따라서 답리작에서 부분경운파종법을 이용하면 녹비작물 헤어리 베치의 재배 및 벼 이용의 안전성 뿐만아니라 녹비작물의 종자대 절약도 가능할 것으로 판단되었다.
전원태,류진희,성기영,김민태,강항원,이재은,정찬식,김욱한 한국토양비료학회 2013 한국토양비료학회지 Vol.46 No.4
Hairy vetch can fix nitrogen from the atmosphere as a leguminous cover crop. This research was carried out to determine optimum seeding method of hairy vetch and application effect in paddy. Field experiment was conducted at Sinheung series (fine loamy, mixed, nonacid, mesic family of Fluvaquentic Endoaquepts) from Sep. 2011 to Oct. 2012 at the National Institute of Crop Science (NICS), RDA, Suwon, Gyeonggi province, Korea. Hairy vetch used in the study was ‘Cheongpyungbora’, developed by National Institute of Crop Science. Seeding methods of hairy vetch consisted of Broadcasting Before Rice Harvesting (BBRH), Partial Tillage Seeding (PTS), Minimum Tillage Seeding (MTS), No Tillage Seeding (NTS), and Drill Seeding (DS). Both MTS and NTS showed the highest biomass among the seeding methods. The rice yield of MTS and NTS significantly increased compared to conventional fertilization (CF). Also soil properties including organic matter and bulk density were improved by incorporation of hairy vetch. Therefore, we suggested that MTS and NTS could be used to produce hairy vetch and rice in paddy.