Does overwintering change the inoculum effect on methane emissions from stored liquid manure?
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DOI: 10.1002/jeq2.20003
Abstract: Greenhouse gas (GHG) emissions, especially methane (CH4 ), from manure storage facilities can be substantial. Methane production requires adapted microbial communities ("inoculum") to be present in the manure. Complete removal of liquid dairy manure (thus… read more here.
Keywords: removal; methane; storage tanks; inoculum ... See more keywords
Antibiotic resistance gene profile changes in cropland soil after manure application and rainfall.
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DOI: 10.1002/jeq2.20060
Abstract: Land application of manure introduces gastrointestinal microbes into the environment, including bacteria carrying antibiotic resistance genes (ARGs). Measuring soil ARGs is important for active stewardship efforts to minimize gene flow from agricultural production systems; however,… read more here.
Keywords: application; antibiotic resistance; manure application; soil ... See more keywords
Influence of low-disturbance fall liquid dairy manure application on corn silage yield, soil nitrate, and rye cover crop growth.
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DOI: 10.1002/jeq2.20085
Abstract: Tillage incorporation of manure can mitigate nutrient loss but increases erosion potential and damages cover crops. More information on the effects of low-disturbance manure application (LDMA) on corn yield, cover crop establishment, and soil properties… read more here.
Keywords: soil nitrate; corn; yield; manure application ... See more keywords
Nutrient starvation and light deprivation effects on starch accumulation in Landoltia punctata cultivated on anaerobically digested dairy manure.
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DOI: 10.1002/jeq2.20092
Abstract: Duckweed has been recognized for its potential of producing biomass on nutrients from waste streams. Our research has shown that strains of duckweed can be successfully cultivated on anaerobically digested (AD) dairy manure under controlled… read more here.
Keywords: starch accumulation; dairy manure; punctata; manure ... See more keywords
Dietary composition and particle size effects on swine manure characteristics and gas emissions.
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DOI: 10.1002/jeq2.20112
Abstract: Nutrients excreted from animals affect the nutritive value of manure as a soil amendment as well as the composition of gases emitted from manure storage facilities. There is a dearth of information, however, on how… read more here.
Keywords: particle size; gas; composition; manure ... See more keywords
Modeling the kinetics of manure-borne fecal indicator removal in runoff.
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DOI: 10.1002/jeq2.20164
Abstract: Several manure-borne microorganism removal models have been developed to provide accurate estimations of the number of microorganisms removed from manure or manured soils undergoing rainfall. It has been commonly assumed that these models perform equally… read more here.
Keywords: manure borne; removal runoff; manure; removal ... See more keywords
Poultry manureshed management: Opportunities and challenges for a vertically integrated industry.
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DOI: 10.1002/jeq2.20273
Abstract: Manureshed management seeks to address systemic imbalances in nutrient distributions at scales beyond the farmgate and potentially across county and state boundaries. The U.S. poultry industry, which includes broilers, layers, pullets, and turkeys, has many… read more here.
Keywords: poultry manureshed; industry; manureshed management; manure ... See more keywords
An agronomic-economic approach to connect manure nutrients back to grain producing regions.
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DOI: 10.1002/jeq2.20329
Abstract: Stakeholders for nutrient impaired watersheds have long discussed the causes and consequences of nutrient surpluses associated with intensive livestock production. Nonetheless, nutrient surpluses relative to crop requirement, particularly with phosphorus, persist and continue to contribute… read more here.
Keywords: grain producing; producing regions; manure; agronomic economic ... See more keywords
Culturable antibiotic resistant fecal coliform bacteria in soil and surface runoff following liquid dairy manure surface application and subsurface injection.
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DOI: 10.1002/jeq2.20332
Abstract: Land application of manure, while beneficial to soil health and plant growth, can lead to an over-abundance of nutrients and introduction of emerging contaminants into agricultural fields. Compared to surface application of manure, subsurface injection… read more here.
Keywords: subsurface; surface; manure; subsurface injection ... See more keywords
Manure methane emissions over 3 years at a swine farm in western Canada.
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DOI: 10.1002/jeq2.20336
Abstract: Swine manure is kept in outdoor storages until it is applied to cropland. Anaerobic conditions facilitate microbial methane (CH4 ) production at a rate that depends on temperature. Manure CH4 emissions can be the largest… read more here.
Keywords: ch4; manure; swine farm; western canada ... See more keywords
Fate and seasonality of antimicrobial resistance genes during full-scale anaerobic digestion of cattle manure across seven livestock production facilities.
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DOI: 10.1002/jeq2.20350
Abstract: Anaerobic digestion has been suggested as an intervention to attenuate antibiotic resistance genes (ARGs) in livestock manure but supporting data has typically been collected at laboratory scale. Few studies have quantified ARG fate during full-scale… read more here.
Keywords: anaerobic digestion; full scale; manure; resistance ... See more keywords