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

By Jay Shankar Singh, Gamini Seneviratne

This two-volume paintings is a testomony to the expanding curiosity within the function of microbes in sustainable agriculture and meals safeguard. Advances in microbial applied sciences are explored in chapters facing subject matters reminiscent of plant-microbe interactions, rhizoremediation and cyanoremediation, and bio-immobilization. quantity II is a suite of study findings that invitations readers to check the appliance of microbes in toxins aid, decontamination of agro- and aquatic ecosystems, and remediation of assorted poisonous compounds. hugely readable entries try and shut the information hole among soil microbial institutions and sustainable agriculture.

conventional agricultural administration suggestions 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. recommendations defined the following simplify a sophisticated photograph of ways microbial groups can increase the standard of setting and cast off foodstuff 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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Extra resources for Agro-Environmental Sustainability: Volume 2: Managing Environmental Pollution

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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.

3 Denitrification The interaction between methane and nitrogen has been identified as one of the major gaps in carbon–nitrogen cycle interactions (Gärdenäs et al. 2011; Stein et al. 2012). Methanotrophs and autotrophic nitrifiers share many similarities. Methane oxidisers 2 Methanotrophs: Methane Mitigation, Denitrification and Bioremediation 29 and ammonium oxidisers are proposed to have a common evolutionary history as the enzyme systems are similar and the bacteria occupy similar ecological niches (Holmes et al.

2011) conducted a field-scale trial at a landfill site (Sydney, Australia) investigating passive drainage and biofiltration of landfill gas as a means of managing landfill gas emissions from low to moderate gas generation landfill sites. Passively aerated biofilters operating in a temperate climate achieved maximum methane oxidation efficiencies greater than 90 % and average oxidation efficiencies greater than 50 % over 4 years of operation. Although temperature and moisture within the biofilter were affected by local climatic conditions, their effect on biofilter performance was overshadowed by landfill gas loading.

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