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Volumn 25, Issue 3, 2008, Pages 135-138

Ridge regression technique to determine the environmental influences on tef (eragrostis tef) grain yield

Author keywords

Grain yield; Multicollinearity; Ridge regression; Tef; Variance inflation factor

Indexed keywords

ENVIRONMENTAL FACTOR; GRASS; LEAST SQUARES METHOD; REGRESSION ANALYSIS; YIELD;

EID: 57049143049     PISSN: 02571862     EISSN: None     Source Type: Journal    
DOI: 10.1080/02571862.2008.10639908     Document Type: Article
Times cited : (3)

References (19)
  • 1
    • 0344059736 scopus 로고
    • Floral morphogenesis, temperature effect on growth and development and variation in nutritional composition and distribution among cultivars in Eragrostis tef (Zucc.) Trotter. PhD Thesis
    • Madison, Wisconsin
    • Assefa, M., 1978. Floral morphogenesis, temperature effect on growth and development and variation in nutritional composition and distribution among cultivars in Eragrostis tef (Zucc.) Trotter. PhD Thesis, University of Wisconsin, Madison, Wisconsin.
    • (1978) University of Wisconsin
    • Assefa, M.1
  • 2
    • 85024178375 scopus 로고    scopus 로고
    • Ethiopian agricultural sample enumeration: Report on the preliminary results of area, production and yield of temporary crops
    • Addis Ababa, Ethiopia
    • Central Statistical Authority (CSA), 2002. Ethiopian agricultural sample enumeration:Report on the preliminary results of area, production and yield of temporary crops. Part 2, Addis Ababa, Ethiopia
    • (2002) Part 2
    • Authority, C.S.1
  • 4
    • 85024158253 scopus 로고
    • Tef (Eragrostis tef). The cultivation, usage, and some of the known diseases and insect pests. Part I. Agri. Expt. Sta. Bull. No. 60. Haile Selassie I University
    • Dire Dawa, Ethiopia
    • Ebba, T., 1969. Tef (Eragrostis tef). The cultivation, usage, and some of the known diseases and insect pests. Part I. Agri. Expt. Sta. Bull. No. 60. Haile Selassie I University, College of Agriculture, Dire Dawa, Ethiopia
    • (1969) College of Agriculture
    • Ebba, T.1
  • 5
    • 84942487147 scopus 로고
    • Ridge regression: Application to non-orthogonal problems
    • Hoerl, A.L. & Kennard, R.W., 1970. Ridge regression:Application to non-orthogonal problems. Technometrics 12, 69–82
    • (1970) Technometrics , vol.12 , pp. 69-82
    • Hoerl, A.L.1    Kennard, R.W.2
  • 6
    • 57049102777 scopus 로고
    • The effect of different soils on the growth and yield of some tef cultivars. M.Sc. Thesis
    • Addis Ababa, Ethiopia
    • Isak, S., 1982. The effect of different soils on the growth and yield of some tef cultivars. M.Sc. Thesis, Addis Ababa University, Addis Ababa, Ethiopia
    • (1982) Addis Ababa University
    • Isak, S.1
  • 7
    • 57049141430 scopus 로고    scopus 로고
    • Multivariate assessment of environmental effects on grain yield and component characters of tef [Eragrostis tef (zucc.) Trotter] genotypes. I. Principal components analysis of grain yield and component characters
    • Kassa, L., Hamito, D. & Koroto, T., 2001. Multivariate assessment of environmental effects on grain yield and component characters of tef [Eragrostis tef (zucc.) Trotter] genotypes. I. Principal components analysis of grain yield and component characters. Ethiopian Journal of Statistical Association, 11, 43–52
    • (2001) Ethiopian Journal of Statistical Association , vol.11 , pp. 43-52
    • Kassa, L.1    Hamito, D.2    Koroto, T.3
  • 8
    • 57049122174 scopus 로고    scopus 로고
    • Multivariate assessment of environmental effects on grain yield and component characters of tef (Eragrostis tef Trotter). Part II: Canonical correlation and canonical variate analysis of grain yield and components characters
    • Kassa, L., Hamito, D. & Koroto, T., 2003. Multivariate assessment of environmental effects on grain yield and component characters of tef (Eragrostis tef Trotter). Part II:Canonical correlation and canonical variate analysis of grain yield and components characters. Ethiopian Journal of Statistical Association, 13, 17–25
    • (2003) Ethiopian Journal of Statistical Association , vol.13 , pp. 17-25
    • Kassa, L.1    Hamito, D.2    Koroto, T.3
  • 9
    • 33645473652 scopus 로고    scopus 로고
    • Stability analysis of grain yield of tef (Eragrostis tef) using the mixed model approach
    • Kassa, L.D., Smith, M.F. & Fufa, H., 2006. Stability analysis of grain yield of tef (Eragrostis tef) using the mixed model approach. S. Afr. J. Plant Soil, 23, 38–42
    • (2006) S. Afr. J. Plant Soil , vol.23 , pp. 38-42
    • Kassa, L.D.1    Smith, M.F.2    Fufa, H.3
  • 10
    • 0003094915 scopus 로고
    • Correlations and path analysis of components in chickpea. Indian
    • Katiyar, R.P., 1979. Correlations and path analysis of components in chickpea. Indian J. Agric. Sci. 49, 35–38
    • (1979) J. Agric. Sci , vol.49 , pp. 35-38
    • Katiyar, R.P.1
  • 11
    • 0345329503 scopus 로고    scopus 로고
    • Multivariate analysis of diversity of tef (Eragrostis tef (Zucc.) Trotter) germ-plasm from western and southern Ethiopia
    • Kebebew, A., Arnulf, M. & TEFERA, H, 2003. Multivariate analysis of diversity of tef (Eragrostis tef (Zucc.) Trotter) germ-plasm from western and southern Ethiopia. Hereditas, 138, 228–236
    • (2003) Hereditas , vol.138 , pp. 228-236
    • Kebebew, A.1    Arnulf, M.2    Tefera, H.3
  • 12
    • 0003508124 scopus 로고
    • Tef (Eragrostis tef) Breeding, genetic resources, utilization and role in Ethiopia agriculture
    • Addis Ababa, Ethiopia
    • Ketema, S., 1993. Tef (Eragrostis tef) Breeding, genetic resources, utilization and role in Ethiopia agriculture. Institute of Agricultural Research, Addis Ababa, Ethiopia
    • (1993) Institute of Agricultural Research
    • Ketema, S.1
  • 13
    • 0003917480 scopus 로고    scopus 로고
    • Eragrostis tef (Zucc.) Trotter. Promoting the conservation and use of underutilized and neglected crops. Bio-versity International Publication No. 12
    • Rome, Italy
    • Ketema, S., 1997. Eragrostis tef (Zucc.) Trotter. Promoting the conservation and use of underutilized and neglected crops. Bio-versity International Publication No. 12, Gatersleben/Interna-tional Plant Genetic Resources Institute, Rome, Italy
    • (1997) Gatersleben/Interna-tional Plant Genetic Resources Institute
    • Ketema, S.1
  • 14
    • 85024214039 scopus 로고
    • A report on the fertility status and other data on some soil of Ethiopia. Exper. Sta. Bull. No. 44, HISU
    • Dire Dawa, Ethiopia
    • Murphy, M.F., 1968. A report on the fertility status and other data on some soil of Ethiopia. Exper. Sta. Bull. No. 44, HISU. College of Agri. Dire Dawa, Ethiopia.
    • (1968) College of Agri
    • Murphy, M.F.1
  • 15
    • 85024167691 scopus 로고    scopus 로고
    • Lost crops of Africa
    • National Academy Press, Washington DC
    • National Research Council, 1996. Lost crops of Africa. Volume 1:Grains. National Academy Press, Washington DC
    • (1996) Volume 1: Grains
  • 17
    • 85024189117 scopus 로고    scopus 로고
    • SAS User’s Guide: Statistics. Version 9.1 edn
    • Cary, North Carolina
    • SAS Institute, 2004. SAS User’s Guide:Statistics. Version 9.1 edn. SAS Inst., Cary, North Carolina
    • (2004) SAS Inst


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.