Use of boundary lines in establishing diagnostic norms.

J. L. Walworth, W. S. Letzsch, M. E. Sumner

Research output: Contribution to journalArticlepeer-review

75 Scopus citations


Whether utilizing a critical value or a nutrient balance system such as the Diagnosis and Recommendation Integrated System for interpreting plant tissue composition, determination of accurate optima is of paramount importance. Two procedures for determining such optima, one using the mean of a high yielding population, the second establishing yield maxima at all nutrient values (the boundary line approach) were contrasted. -from Authors

Original languageEnglish (US)
Pages (from-to)123-128
Number of pages6
JournalSoil Science Society of America Journal
Issue number1
StatePublished - 1986

ASJC Scopus subject areas

  • Soil Science


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