Effects of the herbicide Topogard on soil respiration, nitrification, and denitrification in potato-cultivated soils differing in pH

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dc.contributor.authorKara, EE
dc.contributor.authorArli, M
dc.contributor.authorUygur, V
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2004
dc.departmentNiğde ÖHÜ
dc.description.abstractWe investigated the effects of Topogard 50 WP (3 kg ha(-1)) on soil respiration, mineral N content, and number of denitrifying and total bacteria in four coarse-textured volcanic soils for 91 days. Topogard application decreased CO2 evolution in acid soils (Tepedibi and Karacakil) whereas soil respiration was initially increased in neutral and alkaline soils (Kasbasi and Baglar). The herbicide application significantly stimulated ammonification in Kasbasi and Baglar soils, while Tepedibi and Karacakil soils showed significantly lower NH4+-N contents than the control. The treatment inhibited the activity of nitrifying microorganisms and, thus it decreased the NO3--N content in Tepedibi, Karacakil, and Kasbasi soils, whereas the NO3--N content was increased in Baglar soil. The NO2--N content of soils was not affected by the treatment. The activity of denitrifying bacteria was stimulated by the addition of herbicide in all soils, whereas the total number of bacteria was not influenced. It may be concluded that the effects of Topogard on the microbiological characteristics of coarse-textured soils are likely to be dependent on soil pH.
dc.identifier.doi10.1007/s00374-004-0729-3
dc.identifier.endpage478
dc.identifier.issn0178-2762
dc.identifier.issue6
dc.identifier.scopus2-s2.0-2542471722
dc.identifier.scopusqualityQ1
dc.identifier.startpage474
dc.identifier.urihttps://dx.doi.org/10.1007/s00374-004-0729-3
dc.identifier.urihttps://hdl.handle.net/11480/5663
dc.identifier.volume39
dc.identifier.wosWOS:000221469600013
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherSPRINGER-VERLAG
dc.relation.ispartofBIOLOGY AND FERTILITY OF SOILS
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectTopogard 50 WP
dc.subjectcarbon dioxide production
dc.subjectmineralization
dc.subjectbacteria number
dc.subjectpH
dc.titleEffects of the herbicide Topogard on soil respiration, nitrification, and denitrification in potato-cultivated soils differing in pH
dc.typeArticle

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