نتایج جستجو برای: soil bacteria

تعداد نتایج: 351294  

2017
Xueqing Zhang Yasong Li Hui Li

This paper examines the potential value of phosphate-solubilizing bacteria(PSB) in the dissolution of soil phosphorus and in the subsequent immobilization of lead (Pb), both in bacterial growth medium and in soil. In growth medium, Pseudomonas chlororaphis showed both phosphate-solubilizing and Pb-immobilizing capability, the immobilization of Pb was attributed to pyromorphite formation, as ind...

Journal: :international journal of environmental research 0

soils bacteria are frequently faced with various adverse environmental conditions and have developed a complex regulatory network to respond rapidly to environmental changes. in this study usefulness and applicability of stress proteins of bacteria which are produced after stress conditions were examined. the adaptation of soil bacteria involves the induction of stress proteins provide a nonspe...

Journal: :تولید گیاهان زراعی 0
علی کرمی دانش آموخته کارشناسی ارشد زراعت گروه زراعت و اصلاح نباتات، دانشکده کشاورزی دانشگاه ایلام محمد جواد زارع استادیار گروه زراعت و اصلاح نباتات، دانشکده کشاورزی دانشگاه ایلام

salinity is one of the major problems in the world's vast areas of land are also faced with this problem. endophytes are microorganisms that use of the soil microorganisms, the reduction of environmental stresses such as salinity, has become a global solution. therefore, to investigate the effects of inoculation of fungal endophytes piriformospora indica and bacteria symbiosis hay azospiri...

1999
Von Sigler

Rationale Fungicide applications are a necessary practice to discourage disease development in most high quality turfgrass areas. Little is known, however, about the effects that fungicides have on resident microbial community of the soils supporting turfgrass sites. Soil bacteria are responsible for important processes including pesticide degradation, nutrient cycling, and organic matter break...

2014
Louise C. Andresen Jennifer A. J. Dungait Roland Bol Merete B. Selsted Per Ambus Anders Michelsen

It is vital to understand responses of soil microorganisms to predicted climate changes, as these directly control soil carbon (C) dynamics. The rate of turnover of soil organic carbon is mediated by soil microorganisms whose activity may be affected by climate change. After one year of multifactorial climate change treatments, at an undisturbed temperate heathland, soil microbial community dyn...

2017
Zhiwen Wei Xiaolong Hu Xunhang Li Yanzhou Zhang Leichun Jiang Jing Li Zhengbing Guan Yujie Cai Xiangru Liao

Soil bacteria are important drivers of biogeochemical cycles and participate in many nutrient transformations in the soil. Meanwhile, bacterial diversity and community composition are related to soil physic-chemical properties and vegetation factors. However, how the soil and vegetation factors affect the diversity and community composition of bacteria is poorly understood, especially for bacte...

2015
Elizaveta Pershina Jari Valkonen Päivi Kurki Ekaterina Ivanova Evgeny Chirak Ilia Korvigo Nykolay Provorov Evgeny Andronov A. Mark Ibekwe

One of the most important challenges in agriculture is to determine the effectiveness and environmental impact of certain farming practices. The aim of present study was to determine and compare the taxonomic composition of the microbiomes established in soil following long-term exposure (14 years) to a conventional and organic farming systems (CFS and OFS accordingly). Soil from unclared fores...

2016
Luana Presta Marco Fondi Elena Perrin Isabel Maida Elisangela Miceli Carolina Chiellini Valentina Maggini Patrizia Bogani Vincenzo Di Pilato Gian M. Rossolini Alessio Mengoni Renato Fani

Citation: Presta L, Fondi M, Perrin E, Maida I, Miceli E, Chiellini C, Maggini V, Bogani P, Di Pilato V, Rossolini GM, Mengoni A and Fani R (2016) Arthrobacter sp. EpRS66 and Arthrobacter sp. EpRS71: Draft Genome Sequences from Two Bacteria Isolated from Echinacea purpurea Rhizospheric Soil. Front. Microbiol. 7:1417. doi: 10.3389/fmicb.2016.01417 Arthrobacter sp. EpRS66 and Arthrobacter sp. EpR...

2017
Cody R. Dangerfield Nalini M. Nadkarni William J. Brazelton

Trees of temperate rainforests host a large biomass of epiphytic plants, which are associated with soils formed in the forest canopy. Falling of epiphytic material results in the transfer of carbon and nutrients from the canopy to the forest floor. This study provides the first characterization of bacterial communities in canopy soils enabled by high-depth environmental sequencing of 16S rRNA g...

Journal: :Ecology 2015
Daniel C Schlatter Matthew G Bakker James M Bradeen Linda L Kinkel

Plant species, plant community diversity and microbial interactions can significantly impact soil microbial communities, yet there are few data on the interactive effects of plant species and plant community diversity on soil bacterial communities. We hypothesized that plant species and plant community diversity affect soil bacterial communities by setting the context in which bacterial interac...

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