Results 31 to 40 of about 41,657 (225)
Swine Manure Rate, Timing, and Application Method Effects on Post-Harvest Soil Nutrients, Crop Yield, and Water Quality Implications in a Corn-Soybean Rotation [PDF]
, 2013 This report documents results from a six-year study (1996-2001) that evaluated effects of liquid swine manure application management practices on soil nutrients, organic matter, pH, crop yield; and also discussed water quality implications.
Ahmed, Syed +8 more
core +5 more sources
Anaerobic co-digestion of animal manure at different waste cooking oil concentrations
Ciência Rural, 2018 : This study aimed to obtain the best dose of waste cooking oil inclusion for the co-digestion of substrates prepared with dairy cattle and swine manure in order to maximize solids reductions and biogas yield.
Natália da Silva Sunada +5 more
doaj +1 more source
Safety and Health at Work, 2020 Background: Ammonia and hydrogen sulfide are harmful gases generated during aerobic/anaerobic bacterial decomposition of livestock manure. We evaluated ammonia and hydrogen sulfide concentrations generated from workplaces at livestock farms and ...
Jihoon Park +6 more
doaj +1 more source
Occurrence and transformation of veterinary pharmaceuticals and biocides in manure: a literature review [PDF]
, 2016 The spread of veterinary medicinal products (VMPs) and biocides via manure onto agriculturally used areas represents a very important emission into the environment for these product groups.
Berkner, Silvia +5 more
core +1 more source
Valorization of Swine Manure into Hydrochars [PDF]
Processes, 2019 There is a significant interest in valorizing swine manure that is produced in enormous quantities. Therefore, considering the high moisture content in swine manure, the objective of this research was to convert manure slurry into hydrochars via hydrothermal carbonization and analyze the yields, pH, energy contents, and thermal and oxidation kinetic ...
Lentz, Zac +2 more
openaire +1 more source
Geoderma, 2022 Field application of organic fertilizers may promote the spread of antibiotic resistance genes (ARGs) in farmland ecosystems, which represents a major threat to public health. However, impacts of multi-year organic fertilization on the spread of soil and
Xue-Mei Han +7 more
doaj +1 more source
Evaluation of Ultrasonic Pretreatment on Anaerobic Digestion of Different Animal Manures [PDF]
, 2010 This article addresses the effect of ultrasonication as a pretreatment to anaerobic digestion of four types of animal manure, including swine slurry, beef feedlot manure, dairy manure slurry, and separated dairy manure effluent.
Burns, Robert +6 more
core +3 more sources
Combustion Characteristics of Swine Manure, Poultry Manure and Mixtures [PDF]
Applied Chemistry for Engineering, 2013 In this work, the combustive properties of the swine manure, poultry manure, and mixtures based on the resource recycling-energy were investigated. After the specimens were dried to a constant weight by dry oven, combustive properties were tested by the cone calorimeter (ISO 5660-1). It was found that the peak effective heat of combustion (PEHC) in the
openaire +1 more source
Land, 2021 The use of swine manure as a source of plant nutrients is one alternative to synthetic fertilizers. However, conventional manure application with >90% water and a low C:N ratio results in soil C loss to the atmosphere.
Chumki Banik +4 more
doaj +1 more source
, 2002 Manure can be a valuable resource if applied properly to utilize its nutrient content. To better define the value of manure, a multiyear research project was begun in 1998 at the Southeast Research Farm to study the fertilizer rate of effect and the best method of manure application in corn–soybean rotation.
Brenneman, Greg +2 more
openaire +4 more sources