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dc.contributor.advisorFangmeier, Delmar D.en_US
dc.contributor.authorABRAHAMS, JONATHAN ERIC
dc.creatorABRAHAMS, JONATHAN ERICen_US
dc.date.accessioned2013-05-16T09:53:07Z
dc.date.available2013-05-16T09:53:07Z
dc.date.issued1984en_US
dc.identifier.urihttp://hdl.handle.net/10150/292061
dc.description.abstractField trials were conducted in Tucson, Arizona to evaluate the effects of certain aspects of water and crop management on germination and stand establishment of directly seeded guayule (Parthenium argentatum), using drip irrigation. In a study in May, 1983, seed cover and seed placement were the principle experimental variables, under three irrigation frequencies and two water levels. Vermiculite covered seed plots had significantly more germination than the non-covered plots. Germination was higher in seed rows placed at 4 cm from the drip line than at 9 cm. In a study in October, 1983, irrigation frequency, irrigation water level, and seed placement were analyzed for their effect on stands during germination and post-emergence phases of growth. Significant differences were found as a result of seed placement and it's interaction with irrigation water level. Highest stands occurred under the low water level treatment, with seeds placed at a distance of 5 cm from the drip line.
dc.language.isoen_USen_US
dc.publisherThe University of Arizona.en_US
dc.rightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.en_US
dc.subjectAgriculture, Agronomy.en_US
dc.titleDIRECT SEEDING OF GUAYULE USING DRIP IRRIGATIONen_US
dc.typetexten_US
dc.typeThesis-Reproduction (electronic)en_US
thesis.degree.grantorUniversity of Arizonaen_US
thesis.degree.levelmastersen_US
dc.contributor.committeememberRay, Dennisen_US
dc.contributor.committeememberMatthias, Alan D.en_US
dc.identifier.proquest1322903en_US
thesis.degree.disciplineGraduate Collegeen_US
thesis.degree.disciplineSoils, Water and Engineeringen_US
thesis.degree.nameM.S.en_US
refterms.dateFOA2018-08-30T04:41:33Z
html.description.abstractField trials were conducted in Tucson, Arizona to evaluate the effects of certain aspects of water and crop management on germination and stand establishment of directly seeded guayule (Parthenium argentatum), using drip irrigation. In a study in May, 1983, seed cover and seed placement were the principle experimental variables, under three irrigation frequencies and two water levels. Vermiculite covered seed plots had significantly more germination than the non-covered plots. Germination was higher in seed rows placed at 4 cm from the drip line than at 9 cm. In a study in October, 1983, irrigation frequency, irrigation water level, and seed placement were analyzed for their effect on stands during germination and post-emergence phases of growth. Significant differences were found as a result of seed placement and it's interaction with irrigation water level. Highest stands occurred under the low water level treatment, with seeds placed at a distance of 5 cm from the drip line.


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