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Agro-Environmental Sustainability: Volume 2: Managing by Jay Shankar Singh, Gamini Seneviratne

By Jay Shankar Singh, Gamini Seneviratne

This two-volume paintings is a testomony to the expanding curiosity within the position of microbes in sustainable agriculture and nutrition safety. Advances in microbial applied sciences are explored in chapters facing issues corresponding to plant-microbe interactions, rhizoremediation and cyanoremediation, and bio-immobilization. quantity II is a suite of analysis findings that invitations readers to envision the appliance of microbes in toxins aid, decontamination of agro- and aquatic ecosystems, and remediation of varied poisonous compounds. hugely readable entries try to shut the information hole among soil microbial institutions and sustainable agriculture.

conventional agricultural administration innovations have relied seriously on software of chemical fertilizers and insecticides; and up to date land use switch practices have resulted in over exploitation of traditional assets. suggestions defined the following simplify a classy photo of how microbial groups can increase the standard of surroundings and dispose of nutrition shortage within the coming generations. This paintings is an important contribution to analyze during this more and more vital self-discipline of soil sciences, and may attract researchers in microbiology, agriculture, environmental sciences, and soil and crop sciences.

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5 Conclusion Methanotrophs are a diverse group of bacteria that are capable of mitigating anthropogenic methane emissions, removing N from environmental and wastewater treatment systems and can even transform organic pollutants in soils. Methanotrophic methane mitigation technologies have been demonstrated beyond the laboratories as adaptable field-scale systems that may be engineered to meet site-specific climatic variations and ensure minimal atmospheric methane emission. J. Strong et al. and cost efficiently.

Their results are difficult to compare directly because of differences in optimisation conditions, use of pure or mixed methanotrophs cultures, methane flow rates, gas residence times and reactor types, but high removal efficiencies of 85–98 % were achieved (Limbri et al. 2013). Based on the operation, mine safety regulation and other methane mitigation system arrangements, the VAM flow and methane concentrations will be varied for different mine sites. It is very difficult to adapt biofilters for VAM treatment unless the methanotrophs are robust and optimised to withstand fluctuating environmental conditions.

1993; Smith et al. 1997), tetrachloro-ethene (Gerritse et al. 1995), hydrochlorofluorocarbons (Chang and Criddle 1995; DeFlaun et al. 1992), dichloroethene (Janssen et al. 1988) and even vinyl chloride (Nelson and Jewell 1993). 2 Methanotrophs: Methane Mitigation, Denitrification and Bioremediation 33 The oxidation of these substrates is termed co-metabolism. The broad range of the MMO enzymes allows for the catalysis, but unlike methanol, the oxidised ­products are essentially of no use to the cells energetically, as these compounds do not regenerate reducing equivalents that the MMO requires to remain functional for methane catalysis.

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