Attempt to evaluate winter wheat cultivation technology on the basis of survey data from individual farms. Part II. Evaluation of cultivation technology
Zbigniew Laudański
zbigniew_laudanski@sggw.edu.plKatedra Biometrii, Wydział Rolnictwa i Biologii, SGGW — Warszawa (Poland)
Dariusz R. Mańkowski
Pracownia Ekonomiki Nasiennictwa i Hodowli Roślin, Zakład Nasiennictwa i Nasionoznawstwa, IHAR — Radzików (Poland)
https://orcid.org/0000-0002-7499-8016
Leszek Sieczko
Katedra Biometrii, Wydział Rolnictwa i Biologii, SGGW — Warszawa (Poland)
Abstract
The results presented in firs part (Laudański et al., 2007) have been utilized this paper. A multidimensional method of factor analysis was applied in the first part. The method made possible to classify technologies used in private farms into groups of similar trends of habitat conditions and agrotechnology. The combinations of cultivation technologies obtained in this way were analyzed using multiply regression of yields vs. habitat conditions and agrotechnology. Moreover, a cluster analysis was used ell to estimate the distances among different technologies considering the levels of particular components. Finally, statistical analyses for the relationships between and technologies and years as well as between and cultivars and technologies, taking into account a genotype-environment interaction were performed for the entire technology estimation.
Keywords:
agricultural technology, cultivation technology, factor analysis, genotype-environment interaction, habitat, seed material, winter wheatReferences
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Authors
Zbigniew Laudańskizbigniew_laudanski@sggw.edu.pl
Katedra Biometrii, Wydział Rolnictwa i Biologii, SGGW — Warszawa Poland
Authors
Dariusz R. MańkowskiPracownia Ekonomiki Nasiennictwa i Hodowli Roślin, Zakład Nasiennictwa i Nasionoznawstwa, IHAR — Radzików Poland
https://orcid.org/0000-0002-7499-8016
Authors
Leszek SieczkoKatedra Biometrii, Wydział Rolnictwa i Biologii, SGGW — Warszawa Poland
Statistics
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Copyright (c) 2007 Zbigniew Laudański, Dariusz R. Mańkowski, Leszek Sieczko
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