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Use of a Concurrent Mitscherlich Model in Fertilizer Evaluation 1
Author(s) -
Engelstad O. P.,
Khasawneh F. E.
Publication year - 1969
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1969.00021962006100030044x
Subject(s) - limiting , fertilizer , regression analysis , yield (engineering) , mathematics , statistics , regression , linear regression , agronomy , biology , engineering , physics , mechanical engineering , thermodynamics
A concurrent Mitscherlich model that can be fitted to a family of response curves via a multiple regression program is shown to be suitable for evaluation of fertilizers. This model provides for a common limiting yield and a common intercept, can be fitted by standard regression programs, and the coefficients obtained are compared readily by statistical tests.