bibo:abstract
  • It is possible to use hairy vetch as green manure for corn not only in corn single cropping but also in double cropping system of corn and fall oats. Fall oats and hairy vetch were mixed-sown after corn harvest and harvested as forage in the early of November, and then hairy vetch stubble was over-wintered and incorporated into soil at corn planting as green manure without N fertilizer (FO+HV-GM). Other treatments were fall oats without N fertilizer on corn (FO-0N) and with N fertilizer 200 ㎏/㏊ on corn (FO-200N), hairy vetch green manure without N fertilizer on corn (HV-GM), and fall winter fallow without N fertilizer on corn (WF-0N). Soil nitrate content, corn growth and nitrogen uptakes, and yield of corn were measured and compared during 2-year experimental seasons. Dry matter and N amount of hairy vetch at the plot of FO+HV-GM were 60% less than those at the plot of HV-GM. The N effect of hairy vetch green manure on corn at the plot of HV-GM was similar to that at FO-20ON plot for two years. Soil nitrate at the plot of FO+HV-GM was below the half of those at plots of HV-GM and FO-200N at 6-leaf stage of corn. N uptake of corn at the plot of FO+HV-GM at silking stage was 30% less than those at plot of HV-GM and FO-200N. However, soil nitrate at 6-leaf stage of corn and the amount of nitrogen uptake of corn at silking stage increased two times and 30∼40 ㎏/㏊, respectively, compared with those at the plot of FO-0N. Corn yield at FO+HV-GM decreased about 2 ton/ha due to the decrease of corn grain weight in the first year compared with plot of HV-GM and FO-200N, but its difference was not shown in succeeding second year. Corn N uptake at FO+HV-GM decreased 60 ㎏/㏊ and 20 ㎏/㏊ in 1999 and 2000, compared with plot of HV-GM and FO-200N, respectively, but increased 30 ㎏/㏊ and 45 ㎏/㏊ compared with the plot of FO-0N in 1999, 2000, respectively. Therefore, it is estimated that hairy vetch green manure in fall oats-corn double cropping system can reduce nitrogen chemical fertilizer on corn as much as 50∼100 ㎏/㏊ although its N effect is much lower than the N effect of hairy vetch green manure in corn single cropping of which N effect is over 200 ㎏/㏊. (rdf:langString) (en)
nlon:biographicalNote
  • 서종호, 농촌진흥청 작물시험장, sjh3022@rda.go.kr (xsd:string)
  • 이호진, 서울대학교 농업생명과학대학 (xsd:string)
  • 허일봉, 농촌진흥청 작물시험장 (xsd:string)
nlon:classificationNumberOfNLK
  • 524.05 (xsd:string)
nlon:containedIn
dc:creator
  • 서종호 (xsd:string)
  • 이호진 (xsd:string)
  • 허일봉 (xsd:string)
dcterms:creator
nlon:datePublished
  • 2021-01-30T23:37:12 (xsd:dateTime)
dcterms:description
  • Effect of hairy vetch green manure on corn growth and yield cropping system of corn-oats/hairy vetch (xsd:string)
bibframe:extent
  • 28 cm (xsd:string)
  • p. 189-194 (xsd:string)
  • 삽도 (xsd:string)
dcterms:isPartOf
nlon:issuedYear
  • 2001 (xsd:string)
nlon:itemNumberOfNLK
  • 한594 (xsd:string)
rdfs:label
  • 옥수수-연맥 헤어리벳치 작부체계에서 옥수수에 대한 헤어리벳치 녹비효과 / 서종호, 이호진,허일봉 (xsd:string)
dcterms:language
dc:subject
  • Corn (xsd:string)
  • Cropping system (xsd:string)
  • Green manure (xsd:string)
  • Hairy vetch (xsd:string)
  • Nitrogen (xsd:string)
  • Oat (xsd:string)
  • 녹비효과 (xsd:string)
  • 옥수수 (xsd:string)
  • 옥수수-연맥 (xsd:string)
  • 작부체계 (xsd:string)
  • 헤어리벳치 (xsd:string)
dcterms:title
  • 옥수수-연맥 헤어리벳치 작부체계에서 옥수수에 대한 헤어리벳치 녹비효과 (xsd:string)
rdf:type
nlon:volumeOfNLK
  • 46(3) (xsd:string)