RESPONSE OF TURFGRASS TO VARIOUS NITROGEN SOURCES.

P. J. Landschoot, D. V. Waddington

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Nitrogen sources with different properties and release characteristics are used to meet a variety of fertility management needs in turfgrass culture. Our objective was to determine the response of turfgrass to various urea-formaldehyde reaction products; two particle sizes of oxamide; experimental sulfur-coated ureas (SCU); products containing combinations of N sources; and an experimental composted sewage sludge. Nitrogen sources included for comparative purposes were isobutylidene diurea (IBDU); commercial SCU products; soluble sources; and Milorganite. In this 2. 5-yr study, 25 N source treatments were evaluated on 'Merion' Kentucky bluegrass (Poa pratensis L. ) using 196 kg N ha** minus **1 yr** minus **1, split into two equal applications. All N sources except the sludge compost were effective for turfgrass fertilization. Selection of an N source or combination of sources for turf fertilization should be dependent on quickness and duration of response desired, rate and frequency of applications, and various economic factors.

Original languageEnglish (US)
Pages (from-to)225-230
Number of pages6
JournalSoil Science Society of America Journal
Volume51
Issue number1
DOIs
StatePublished - Jan 1 1987

All Science Journal Classification (ASJC) codes

  • Soil Science

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