Articles

A COMPARISON OF DISTILLED CEDAR, PERLITE, AND RICE HULLS AS SUBSTRATE COMPONENTS IN THE PRODUCTION OF GREENHOUSE-GROWN ANNUALS©

Article number
1014_89
Pages
395 – 400
Language
English
Abstract
Perlite is a standard greenhouse component whose function is to add necessary porosity to peatmoss based substrates allowing for flow of gas and water through containers.
Perlite requires high amounts of energy for both the production and shipping processes.
This high-energy input is one of the main reasons for interest in discovering alternatives.
The objective of this study was to mimic the beneficial characteristics of perlite in substrates by adding varying percentages of distilled cedar (DC) and rice hulls (RH) to peat moss and comparing them to Peatlite mixes of concordant percentages.
Treatments were amended at 10, 20, and 30% for each component.
The species used included petunia and marigold.
Results for petunia indicated that PL treatments performed marginally better than substrates containing percentages of DC and RH. However, for marigold, no significant difference was observed between treatments in almost all growth parameters.
The conclusive data indicates that growers could amend their substrates with up to 30% DC or RH and yield viable annual crops.

Publication
Authors
T.A. Vandiver, G.B. Fain, C.H. Gilliam, J.L. Sibley
Keywords
Full text
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