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 foodstuff protection. Advances in microbial applied sciences are explored in chapters facing issues akin to plant-microbe interactions, rhizoremediation and cyanoremediation, and bio-immobilization. quantity II is a suite of analysis findings that invitations readers to ascertain the appliance of microbes in pollutants relief, decontamination of agro- and aquatic ecosystems, and remediation of varied poisonous compounds. hugely readable entries try and shut the data hole among soil microbial institutions and sustainable agriculture.

conventional agricultural administration innovations have relied seriously on program of chemical fertilizers and insecticides; and up to date land use switch practices have ended in over exploitation of normal assets. techniques defined the following simplify a classy photo of ways microbial groups can enhance the standard of surroundings and dispose of meals shortage within the coming generations. This paintings is an important contribution to investigate during this more and more very important self-discipline of soil sciences, and should attract researchers in microbiology, agriculture, environmental sciences, and soil and crop sciences.

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Amendment Biochars Farmyard manure (pressmud) combined with pyrite Organic amendments combined with pyrite or fly ash Organic manure combined with fly ash Diazotrophs Ochrobactrum anthropi, Azotobacter and Azospirillum Biofertiliser Azolla and Anabaena azollae Biofertiliser Inoculating rice plant roots with Azospirillum Cyanobacteria: Synechocystis Beneficial role Improve methanotroph activity Increase methanotroph population Soil type Landfill soils Improve methanotroph activity Salinity-­disturbed paddy soils Increase methanotroph population Increased O2 content— emit less CH4 Dry tropical nutrientpoor saline soils Paddy fields Singh and Pandey (2013) Pingak et al.

2013; Sun et al. 2013; Liu et al. 2014). It simultaneously ameliorates two environmental issues: methane emissions and soluble nitrogen content in wastewaters. Methane-dependent denitrification appears to be an economical and environment-friendly technology to enable denitrification of nitrogen-contaminated wastewaters (including landfill leachate) by mixed microbial cultures using a cheap, sustainable carbon source (Long et al. 2013; Sun et al. 2013). 1 Aerobic Methane Oxidation Coupled to Denitrification As early as the 1970s, it was hypothesised that the responsible agent in the mixed methanotrophic culture was a denitrifying methanol-consuming bacteria that used a methanotroph by-product to perform the initial reduction of nitrate to nitrite.

2014). It simultaneously ameliorates two environmental issues: methane emissions and soluble nitrogen content in wastewaters. Methane-dependent denitrification appears to be an economical and environment-friendly technology to enable denitrification of nitrogen-contaminated wastewaters (including landfill leachate) by mixed microbial cultures using a cheap, sustainable carbon source (Long et al. 2013; Sun et al. 2013). 1 Aerobic Methane Oxidation Coupled to Denitrification As early as the 1970s, it was hypothesised that the responsible agent in the mixed methanotrophic culture was a denitrifying methanol-consuming bacteria that used a methanotroph by-product to perform the initial reduction of nitrate to nitrite.

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