Results 11 to 20 of about 191,898 (303)

Development of GHG Emission Factors for the Life Cycle of the Animal Manure Treatment Systems

open access: yes대한환경공학회지, 2020
Objectives:A whole process greenhouse gas emission factor was developed considering the direct greenhouse gas emission from the decomposition of livestock manure provided by the IPCC guidelines and the energy consumption of manure management systems ...
Yoosung Park   +2 more
doaj   +1 more source

Composition of Equine Manure as Influenced by Stall Management

open access: yesAgriculture, 2022
A study was conducted to compare the composition of equine manure as removed from the stall, and bedding-free manure on six horse farms. The farms ranged from a pleasure horse stable with poorly managed stalls to an intensively managed stable for ...
John P. Chastain
doaj   +1 more source

Annual Nitrogen Balance from Dairy Barns, Comparison between Cubicle and Compost-Bedded Pack Housing Systems in the Northeast of Spain

open access: yesAnimals, 2021
The aim of this study was to determine N recovery and irreversible losses (i.e., through NH3-N volatilization) from manure in two different housing systems throughout a year using an N mass balance approach.
Esperanza Fuertes   +5 more
doaj   +1 more source

Flow meters tested on dairy lagoon water

open access: yesCalifornia Agriculture, 2003
As California's dairy industry continues to grow, manure management has become an increasingly important issue for dairy producers, government regulators and the public living in close proximity to dairies.
L Schwankl, A Eagle, C Frate, B Nydam
doaj   +2 more sources

Effects of deep-bedded finishing system on market pig performance, composition and pork quality

open access: yesAnimal, 2008
The purpose of this study was to compare effects of finishing environment on growth performance, pork quality and lipid composition of pork. Environments compared were standard confinement (CON) and deep-bedded semi-outdoor systems.
B.S. Patton   +5 more
doaj   +1 more source

Comprehensive Assessment of Greenhouse Gas Emissions From Thai Beef Cattle Production and the Effect of Rice Straw Amendment on the Manure Microbiome

open access: yesFrontiers in Environmental Science, 2022
We measured the greenhouse gas (GHG) emissions following beef cattle feeding and evaluated the manure management in northeast Thailand (Khon Kaen) to obtain the country-specific emission factor (EF) and replace the Intergovernmental Panel on Climate ...
Wanna Angthong   +7 more
doaj   +1 more source

Strategies to reduce nutrient pollution from manure management in China [PDF]

open access: yes, 2020
As the demand for livestock products continues to increase in China, so too does the challenge of managing increasing quantities of manure. Urgent action is needed to control point source (housing, storage and processing) and diffuse (field application ...
Bai, Zhaohai   +7 more
core   +2 more sources

Modeling ammonia emissions from dairy production systems in the United States [PDF]

open access: yes, 2015
Dairy production systems are hot spots of ammonia (NH3) emission. However, there remains large uncertainty in quantifying and mitigating NH3 emissions from dairy farms due to the lack of both long-term field measurements and reliable methods for ...
Deng, Jia, Li, Changsheng, Wang, Ying
core   +3 more sources

Economic aspects of manure management and practices for sustainable agriculture in Turkey [PDF]

open access: yes, 2019
Turkish livestock sector plays very important role in the Turkish GDP and the use of manure affects the environment but the farming sector want the farmers to employ the use of more integrated manure practice.
Buysse, Jeroen   +3 more
core   +1 more source

Manure in Serbia: Quantities and greenhouse gas emissions [PDF]

open access: yesJournal of Agricultural Sciences (Belgrade), 2022
Manure is a by-product at agricultural farms that can consist of excrement, bedding, food, and other substances. Manure is a significant form of organic fertilizer, but it negatively impacts the environment.
Višković Miodrag I.   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy