Results 21 to 30 of about 56,624 (248)
Optimization of the anaerobic co-digestion of pasteurized slaughterhouse waste, pig slurry and glycerine [PDF]
, 2016 The feasibility of co-digestion of blends of two different animal by-products (pig manure and pasteurized slaughterhouse waste) and recovered glycerine was studied in mesophilic conditions.
Fernández García, Belén +2 more
core +2 more sources
Pig manure treatment and purification by filtration
Journal of Environmental Management, 2015 This study aimed to develop a new, complex pig manure treatment and filtration process. The final scheme, called the AMAK process, comprised the following successive steps: mineralization with mineral acids, alkalization with lime milk, superphosphate addition, a second alkalization, thermal treatment, and pressure filtration.
Makara, A., Kowalski, Z.
openaire +2 more sources
Journal of Integrative Agriculture, 2021 The black soldier fly larvae (BSFL) (Hermetia illucens) are a good candidate for poultry and livestock manure treatment. The harvested insect bodies and feces can be used as animal feed and organic fertilizer. However, heavy metals have a negative impact
Xiao-bo WANG +4 more
doaj +1 more source
Agronomy, 2022 Land application of livestock manure may reduce the use of mineral fertilizers and alleviate the environmental degradation associated with mineral fertilizers application.
Jiukai Xu +6 more
doaj +1 more source
Ammonia volatilization, nitrogen in soil, and growth of barley after application of peat manure and pig slurry [PDF]
, 2006 Peat is added to manure, because its low pH and capacity to adsorb ammonia (NH3) give it potential to reduce nitrogen (N) loss. Peat manure was prepared by mixing pig slurry with moderately humified Sphagnum peat. Less than 1% of applied ammoniacal N was
Mattila, Pasi K.
core +2 more sources
Land, 2022 Paddy fields account for 10% of global CH4 emissions, and the application of manure may increase CH4 emissions. In this study, high-throughput sequencing technology was used to investigate the effects of manure application on CH4 emissions and ...
Jianqiang Wu +10 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
Revista Brasileira de Zootecnia, 2020 The objective with this study was to evaluate the impact of different swine nutritional strategies and technologies, as well as the land spread system, on logistical costs of pig manure distribution.
Esther Ramalho Afonso +3 more
doaj +1 more source
Agronomy, 2021 The pig and poultry industries continue to grow across the world and together they provide the majority of meat consumed. The European Union (EU) in particular has the highest global relative meat production by monogastrics (i.e., pig and poultry).
Arno Rosemarin +2 more
doaj +1 more source
Cash for trash: An agro-economic value assessment of urban organic materials used as fertilizers in Cameroon [PDF]
, 2019 The rapid expansion of cities in sub-Saharan Africa generates increasing volumes of diversified organic wastes that require management and a high population need for local and fresh vegetables. Linking the different sources of organic materials generated
Fernandes, Paula +7 more
core +3 more sources