Seasonal fluctuation in soil and thatch microbial populations in an 80%:20% sand:peat creeping bentgrass putting green

Persistent Link:
http://hdl.handle.net/10150/277909
Title:
Seasonal fluctuation in soil and thatch microbial populations in an 80%:20% sand:peat creeping bentgrass putting green
Author:
Barakat, Mohammad, 1962-
Issue Date:
1991
Publisher:
The University of Arizona.
Rights:
Copyright © 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.
Abstract:
A study was conducted to determine the influence of a bio-organic amendment 'Greens Restore' (6N-1P-3K) and a nitrogen fertilizer (21N-7P-14K) on the microbial numbers, thatch degradation, and soil respiration. A complete randomized block design was used with 3 treatments/4 replications. Both treatments were applied at a rate of 28.6 kg N/ha every 60 and 30 days for the first and second year respectively. No significant changes were observed due to treatments for all the parameters measured except for soil fungi and thatch thickness. Control plots had the lowest and the fertilized plots had the highest values for both parameters. Microbial numbers showed significant differences with time except for the denitrifiers. Thatch bacterial, fungal, and actinomycetes numbers were greater than in soil. Two peaks in microbial numbers and soil respiration occurred in spring and autumn. Soil pH also changed with time and peaked in spring and autumn.
Type:
text; Thesis-Reproduction (electronic)
Keywords:
Biology, Microbiology.; Biology, Microbiology.
Degree Name:
M.S.
Degree Level:
masters
Degree Program:
Graduate College
Degree Grantor:
University of Arizona

Full metadata record

DC FieldValue Language
dc.language.isoen_USen_US
dc.titleSeasonal fluctuation in soil and thatch microbial populations in an 80%:20% sand:peat creeping bentgrass putting greenen_US
dc.creatorBarakat, Mohammad, 1962-en_US
dc.contributor.authorBarakat, Mohammad, 1962-en_US
dc.date.issued1991en_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.description.abstractA study was conducted to determine the influence of a bio-organic amendment 'Greens Restore' (6N-1P-3K) and a nitrogen fertilizer (21N-7P-14K) on the microbial numbers, thatch degradation, and soil respiration. A complete randomized block design was used with 3 treatments/4 replications. Both treatments were applied at a rate of 28.6 kg N/ha every 60 and 30 days for the first and second year respectively. No significant changes were observed due to treatments for all the parameters measured except for soil fungi and thatch thickness. Control plots had the lowest and the fertilized plots had the highest values for both parameters. Microbial numbers showed significant differences with time except for the denitrifiers. Thatch bacterial, fungal, and actinomycetes numbers were greater than in soil. Two peaks in microbial numbers and soil respiration occurred in spring and autumn. Soil pH also changed with time and peaked in spring and autumn.en_US
dc.description.notep.16 missing in paper original and microfilm version.-
dc.typetexten_US
dc.typeThesis-Reproduction (electronic)en_US
dc.subjectBiology, Microbiology.en_US
dc.subjectBiology, Microbiology.en_US
thesis.degree.nameM.S.en_US
thesis.degree.levelmastersen_US
thesis.degree.disciplineGraduate Collegeen_US
thesis.degree.grantorUniversity of Arizonaen_US
dc.identifier.proquest1345360en_US
dc.identifier.bibrecord.b27003085en_US
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