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Arboriculture & Urban Forestry Online
Volume 25, Issue 4 — July 1999
https://www.isa-arbor.com/Publications/Arboriculture-Urban-Forestry

Cyclic Irrigation Improves Irrigation Application Efficiency and Growth of Sawtooth Oak    (View PDF)

Glenn B. Fain, Ken M. Tilt, Charles H. Gilliam, Harry G. Ponder, and Jeff L. Sibley

Abstract: Two studies were conducted to evaluate different irrigation regimes for production of container-grown sawtooth oak. Three irrigation treatments (single, 3 times daily, and 6 times daily) and 2 substrate treatments (100% pinebark and 4:1 (v:v) pinebarkxoir) were evaluated to determine their effects on irrigation application efficiency and growth of sawtooth oak (Quercus acutissima Carruthers) in a pot-in-pot production system. Irrigation application efficiency increased with cyclic treatments compared to a single application and was increased with the pinebark: coir substrate compared to pinebark alone in the single application treatment. Growth was greater when irrigation was applied in 6 cycles than in 1 single application. Trees grown in pinebark: coir substrate were larger than those grown in the pinebark substrate.

Keywords: Pot-in-pot; container production; substrate; coconut coir.

https://doi.org/10.48044/jauf.1999.029


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