Effects of applications of fungicide, phosphorus and nitrogen on the structure and productivity of an annual serpentine plant community

R. T. Koide, L. F. Huenneke, S. P. Hamburg, H. A. Mooney

Research output: Contribution to journalArticle

44 Scopus citations

Abstract

Benomyl and phosphate were applied to patches of 2 annual serpentine communities dominated by forbs. After 1 yr neither Benomyl nor phosphate had affected plant productivity (except for legume productivity which was increased by P application), the abundance of any species or mycorrhizal infection, but Benomyl decreased P concentration in shoots whereas added P increased its concentration. At 1 site, added phosphorus also increased N concentration in the shoot. In the following year, N was added. Both N and P applications decreased the abundance and total above-ground dry weight per unit area of Plantago erecta, a dominant annual forb, and decreased the density of all plants taken together. Additionally, Benomyl increased total plant density. Phosphorus and N increased productivity of the whole community. -from Authors

Original languageEnglish (US)
Pages (from-to)335-344
Number of pages10
JournalFunctional Ecology
Volume2
Issue number3
DOIs
StatePublished - Jan 1 1988
Externally publishedYes

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

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