Midrib nitrate concentration as a means for determining nitrogen needs of cauliflower

B. R. Gardner, R. L. Roth

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

Plant analysis has been used to evaluate the nutritional status of many crops for diagnostic and corrective purposes. This study was initiated to establish critical nitrogen (N) plant tissue levels using midrib NO3-N concentration for cauliflower (Brassica oleracea L., var. Botrytis) during the growing season. Tissue samples for nitrate analysis were taken from cauliflower plants over a period of four growing seasons beginning at the 4 to 6 leaf stage of growth and biweekly through pre-harvest. The midrib from the most recently full sized leaf was sampled for NO3-N concentration determination.

Original languageEnglish (US)
Pages (from-to)1435-1451
Number of pages17
JournalJournal of Plant Nutrition
Volume13
Issue number11
DOIs
StatePublished - Nov 1 1990

ASJC Scopus subject areas

  • Physiology
  • Agronomy and Crop Science

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