Aug 22, 2021 · The results showed that the addition of biochar had different effects on anaerobic fermentation of livestock and poultry manure with high solid concentration, increased the content of CH4 and decreased the content of H 2 S. the addition of biochar provided enough granular surface to absorb a large number of inoculated microorganisms, which

Jan 21, 2022 · The processes involved in soil domestication have altered the soil microbial ecology. We examined the question of whether animal manure application affects the soil microbial ecology of farmlands. The effects of global animal manure application on soil microorganisms were subjected to a meta-analysis based on randomized controlled treatments. A total of 2303 studies conducted in the last 30

Apr 1, 2024 · A comparative study of pig manure with different waste straws in an ectopic fermentation system with thermophilic bacteria during the aerobic process: performance and microbial community dynamics Bioresour.

At present, aerobic composting and anaerobic fermentation are widely used in livestock waste treatment technology. In this study, pig manure management was taken as an example, a comprehensive environmental load index was constructed to quantitatively evaluate the environmental impacts of global warming, environmental acidification,

Dec 8, 2023 · This report presents a comprehensive global assessment of greenhouse gas (GHG) emissions from livestock systems, utilizing the FAO’s Global Livestock Environmental Assessment Model (GLEAM) based

Feb 10, 2022 · The original uses of EM were in agriculture to increase the productivity of organic farming systems [].Today, EM are often applied to the soil directly as part of the organic matter added to the fields, either as manure or other fertilizer, or provided as part of a compost that has been prepared using EM as an additive to improve and shorten the maturation process.

Dec 1, 2023 · For example, alkaline in situ fermentation may suit chicken manure better due to the high nitrogen content and high TS content of chicken manure; however, 5 % NaOH pretreatment aiming at more methane production is more suitable for cow manure.

Jun 1, 2019 · A comparative study of pig manure with different waste straws in an ectopic fermentation system with thermophilic bacteria during the aerobic process: Performance and microbial community dynamics

Nov 9, 2017 · Background Pig manure utilization and valorization is an important topic with tightening regulations focused on ecological and safety issues. By itself pig manure is a poor substrate for biogas production because of its excessive nitrogen content relative to available organic carbon. Such substrate is alkaline, and methanogenesis can be suppressed, and so additional substrates with high

Sep 13, 2023 · Fermentation bed culture is a circular agriculture method commonly used in pig farming, referred to as breeding pig on litter, deep-litter-system, or in situ decomposition of pig manure (Morrison et al. 2007). Pigs are raised on a fermentation bed, and the manure is decomposed in situ. While this method reduces the environmental impact of

May 28, 2024 · Based on the data of Table 3, the financial net present value (NPV) of dark and photo-fermentation system is 584,400 CNY (79,843$/kg), the investment payback periods are estimated to be 6.86 years

Mar 16, 2022 · It includes an accurate accounting for nitrogen and phosphorus flows in the manure processing and utilisation chain and considers the limiting factors of the farm and the end-product customer requirements. The methodology was applied to a large-scale pig farm in the Leningrad Region.

Jun 3, 2017 · Overproduction of livestock manures with unpleasant odors causes significant environmental problems. The microbial fermentation bed (MFB) system is considered an effective approach to recycling utilization of agricultural byproducts and pig manure (PM).

Nov 14, 2013 · Intensive and Integrated Farm Systems Using Fermentation of Swine Effluent in Brazil In a report for the FAO, I. Bergier, E. Soriano, G. Wiedman and A. Kososki outline a project in the Brazilian state of Mato Grosso do Sul, in which pig manure is used in a biodigester, producing power, fertiliser for food crops and wood/paper as well as biochar.

Jan 2, 2024 · Microbial community of bacterial species significantly correlated with NH 4 +-N and/or P for unprocessed manure before solid–liquid separation (UM), non-fermented solid manure (NSM),