Results 21 to 30 of about 8,979,122 (194)

Mitigation of nitrogen losses during pig manure management: Impact of manure cleaning technique

open access: yesWater-Energy Nexus
Proper management of nitrogen-containing pig manure is crucial to realize its benefits of supporting plants-grow as fertilizer while minimizing its impact on the environment and climate change.
Jing Zhang   +5 more
doaj   +1 more source

Optimizing Nutrient Recycling From Excreta in Sweden and Pakistan: Higher Spatial Resolution Makes Transportation More Attractive

open access: yesFrontiers in Sustainable Food Systems, 2019
Recycling essential plant nutrients like nitrogen (N), phosphorus (P), and potassium (K) from organic waste such as human and animal excreta will be an essential part of sustainable food systems and a circular economy.
Usman Akram   +5 more
doaj   +1 more source

Response Curves for Ammonia and Methane Emissions From Stored Liquid Manure Receiving Low Rates of Sulfuric Acid

open access: yesFrontiers in Sustainable Food Systems, 2021
Addition of sulfuric acid (H2SO4) to liquid dairy manure (slurry) reduces methane (CH4), nitrous oxide (N2O), and ammonia (NH3) emissions. There is interest in understanding how gaseous emissions respond to decreasing rates of acidification, to determine
Vera Sokolov   +8 more
doaj   +1 more source

Ammonia and greenhouse gas emissions from slatted dairy barn floors cleaned by robotic scrapers

open access: yesResearch in Agricultural Engineering, 2018
The design of animal housing and manure management systems are key factors in livestock farming. Frequent removal methods, in fact, allow for the reduction of gasses produced from fermentations of the organic matter contained in manure, that affect ...
Alessandro Chiumenti   +4 more
doaj   +1 more source

Effect of integrated forage rotation and manure management on yield, nutrient balance and soil organic matter

open access: yesItalian Journal of Agronomy, 2011
This paper reports results from a field experiment established in 1995 and still on going. It is located in Lodi, in the irrigated lowlands of Lombardy, Northern Italy.
Cesare Tomasoni   +2 more
doaj   +1 more source

Manure waste management: Perceptions and practices of dairy farmers in Punjab, India

open access: yesOpen Veterinary Journal
Background: Manure waste disposal is an essential aspect of dairy farm biosecurity and significantly impacts farm productivity, animal health, public health, and environmental sustainability. Improper manure management can contribute to pathogen spread,
Nilam Wavhal   +3 more
doaj   +1 more source

Acidification of Residual Manure in Liquid Dairy Manure Storages and Its Effect on Greenhouse Gas Emissions

open access: yesFrontiers in Sustainable Food Systems, 2020
Liquid manure storages are an important source of greenhouse gases (GHG) on dairy farms. Methane (CH4) and nitrous oxide (N2O) are the predominant GHGs, while ammonia (NH3) is an indirect source of N2O.
Vera Sokolov   +8 more
doaj   +1 more source

Ammonia emission factors from cattle production systems in Ireland – a review

open access: yesIrish Journal of Agricultural and Food Research
Ammonia (NH3) emissions from livestock production contribute to environmental pollution. To address this challenge, the European Union (EU) National Emission Reduction Commitments Directive 2016/2284 (NECD) sets NH3 reduction targets for EU member states.
M. Y. Owusu-Twum   +6 more
doaj   +1 more source

Towards an inventory of methane emissions from manure management that is responsive to changes on Canadian farms

open access: yesEnvironmental Research Letters, 2013
Methane emissions from manure management represent an important mitigation opportunity, yet emission quantification methods remain crude and do not contain adequate detail to capture changes in agricultural practices that may influence emissions.
A C VanderZaag   +4 more
doaj   +1 more source

Sustainable manure management. [PDF]

open access: yes, 2013
The sustainability of modern manure management is far from certain, with many demonstrating significant limitations from the stand point of efficient use of manure resources and protection of environmental quality and human health. As demonstrated through this review, for manure management to be sustainable, a broad array of issues must be considered ...
Leytem, A.B.   +2 more
openaire   +1 more source

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