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ASSESSMENT OF HEAVY METALS IN HYDROCHAR PRODUCED BY HYDROTHERMAL CARBONIZATION OF DAIRY MANURE

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 437-447 doi: 10.15302/J-FASE-2023507

Abstract:

● Content of heavy metals in hydrochar varies considerably, from 50% to 100%.

Keywords： heavy metals     dairy manure     hydrochar     hydrothermal carbonization     waste management    

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Modeling temperature and moisture dependent emissions of carbon dioxide and methane from drying dairycow manure

Enzhu HU, Pakorn SUTITARNNONTR, Markus TULLER, Scott B. JONES

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 2,   Pages 280-286 doi: 10.15302/J-FASE-2018215

Abstract: of temperature and moisture content on emissions of CO and CH during the ambient drying process of dairymanure under controlled conditions.Results indicate that for the investigated dairy manure, 6.83% of TC was lost in the form of CO and

Keywords： carbon dioxide     dairy manure     methane     moisture     temperature    

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INTENSIFICATION OF GRASSLAND-BASED DAIRY PRODUCTION AND ITS IMPACTS ON LAND, NITROGEN AND PHOSPHORUS

Jouke OENEMA, Oene OENEMA

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,   Pages 130-147 doi: 10.15302/J-FASE-2020376

Abstract: Many grassland-based dairy farms are intensifying production, i.e., produce more milk per ha of landHowever, intensive dairy farming has been implicated for its resources use, ammonia and greenhouse gasThis paper addresses the question of how the intensity of dairy production relates to N and P surplusesPurchased feed and manure export strongly increased with the level of intensification.due to legal N and P application limits and obligatory export of manure surpluses to other farms.

Keywords： ammonia     externalization     feed     forage maize     front runners     manure production     milk yield     nitrogen surplus    

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INTEGRATED CROP-LIVESTOCK SYSTEMS: LESSONS FROM NEW YORK, BRITISH COLUMBIA, AND THE SOUTH-EASTERN UNITED STATES

Alan FRANZLUEBBERS, Derek HUNT, Gary TELFORD, Shabtai BITTMAN, Quirine KETTERINGS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,   Pages 81-96 doi: 10.15302/J-FASE-2020365

Abstract: to larger and more concentrated animal feeding operations in beef finishing and poultry, swine, and dairyto meet market demand for abundant, low-cost livestock products, whether that be for packaged meat, dairyWhen sufficient land is available and nutrients are needed, livestock manure is an excellent nutrientHowever, when livestock production is constrained in a geographical area and animal densities are high, manureExamples show that effective solutions should recognize (1) manure has value and is not just a cost,

Keywords： cropland     dairy manure     nutrient cycling     pastureland     poultry manure     swine manure    

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HARNESSING BIODIVERSITY FOR HEALTHY DAIRY FARMS

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 2,   Pages 238-244 doi: 10.15302/J-FASE-2022445

Abstract: domestic demand for safe and nutritious milk products is one of the critical challenges that Chinese dairycontributed by agrochemicals inputs in China, is accompanied by tremendous impacts on the ecology of dairyThis paper presents a framework for healthy dairy farms in which targeted management practices are appliedDairy farming with biodiversity-driven technologies and solutions will be more productive in producing

Keywords： biodiversity / dairy farm / one health concept / soil health    

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NEW ZEALAND DAIRY FARM SYSTEMS AND KEY ENVIRONMENTAL EFFECTS

Jiafa LUO, Stewart LEDGARD

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,   Pages 148-158 doi: 10.15302/J-FASE-2020372

Abstract: This paper provides an overview of the range of dairy pasture grazing systems used in New Zealand (NZNZ dairy farming systems are based on year-round grazing and seasonal milk production on perennial ryegrassThere was an increase in stocking rate on NZ dairy farms from 2.62 cows ha in 2000/2001 to 2.85 cowsA systems analysis of contrasting dairy farms in Waikato (largest NZ dairying region) indicates that

Keywords： dairy farms     environmental impacts     grazing systems     intensification     mitigation    

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NEW ZEALAND DAIRY FARM SYSTEMS AND KEY ENVIRONMENTAL EFFECTS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,

Abstract:

• NZ dairy farming systems are based on year-round grazing of perennial pasture (ryegrass/white

 

This paper provides an overview of the range of dairy pasture grazing systemsNZ dairy farming systems are based on year-round grazing and seasonal milk production on perennial ryegrassThere was an increase in stocking rate on NZ dairy farms from 2.62 cows ha−1dairy farms in Waikato (largest NZ dairying region) indicates that

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Evaluation of automated in-line precision dairy farming technology implementation in three dairy farms

Maria CARIA, Giuseppe TODDE, Antonio PAZZONA

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 2,   Pages 181-187 doi: 10.15302/J-FASE-2019252

Abstract:

In recent decades, dairy farms have been exposed to wide variation in profit levels due to a considerableConsequently, it is necessary for the dairy industry to improve efficiency and productivity by adopting

Keywords： cheese yield     infrared analysis     milk quality     real-time measurement     sensor    

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INTENSIFICATION OF GRASSLAND-BASED DAIRY PRODUCTION AND ITS IMPACTS ON LAND, NITROGEN AND PHOSPHORUS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,

Abstract:

• Monitoring data of>5000 dairy farms collected and examined in uniform manner.However, intensive dairy farming has been implicated for its resources use, ammonia and greenhouse gasPurchased feed and manure export strongly increased with the level of intensification.due to legal N and P application limits and obligatory export of manure surpluses to other farms.This paper provides lessons for proper monitoring and control of N and P cycling in dairy farming.

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EFFECT OF EXOGENOUS ADDITIVES ON HEAVY METAL PASSIVATION AND NITROGEN RETENTION IN PIG MANURE COMPOSTING

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023487

Abstract:

● Research on heavy metal passivation and nitrogen emissions is necessary for the pig industry.

Keywords： additives     composting     heavy metals passivation     nitrogen retention     pig manure    

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Antibiotic resistance genes in manure-amended paddy soils across eastern China: Occurrence and influencing

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1499-y

Abstract:

• Manure fertilization resulted in antibiotic residues and increased

Keywords： Pig manure     Antibiotics     Metals     Antibiotic resistance genes     Paddy fields    

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LIVESTOCK AND POULTRY MANURE MANAGEMENT FROM THE PERSPECTIVE OF CARBON NEUTRALITY IN CHINA

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 341-362 doi: 10.15302/J-FASE-2023509

Abstract:

● Carbon reduction potential of manure treatment technologies was summarized

Keywords： valorization of animal manure     manure management     carbon emission     carbon footprint     methodology     carbon    

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Mesophilic and thermophilic anaerobic digestion of swine manure with sulfamethoxazole and norfloxacin

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1342-x

Abstract:

• SMX addition had negative effect on acetoclastic methanogens in mesophilic AD.

Keywords： Pig manure     Antibiotics     Anaerobic digestion     Resistance genes     Microbial community    

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Cattle manure biochar and earthworm interactively affected CO and NO emissions in agricultural and forest

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1473-8

Abstract:

• Earthworms increase CO2 and N2O emissions in agricultural and forest soil.

Keywords： Carbon sequestration     Forest soil     Cattle manure biochar     Greenhouse gas emissions     Soil fauna    

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POLICIES AND REGULATIONS FOR PROMOTING MANURE MANAGEMENT FOR SUSTAINABLE LIVESTOCK PRODUCTION IN CHINA

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,

Abstract:

• Manure utilization is hindered by separate specialist crop and livestock production systems

• Improving manure utilization requires organizations for manure exchange.

• A manure chain approach with third-party contractors is recommended.The targets for manure utilization are 75% in 2020 and 90% in 2035.exchange between farms and a more integrated manure nutrient management approach.

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Title Author Date Type Operation

ASSESSMENT OF HEAVY METALS IN HYDROCHAR PRODUCED BY HYDROTHERMAL CARBONIZATION OF DAIRY MANURE

Journal Article

Modeling temperature and moisture dependent emissions of carbon dioxide and methane from drying dairycow manure

Enzhu HU, Pakorn SUTITARNNONTR, Markus TULLER, Scott B. JONES

Journal Article

INTENSIFICATION OF GRASSLAND-BASED DAIRY PRODUCTION AND ITS IMPACTS ON LAND, NITROGEN AND PHOSPHORUS

Jouke OENEMA, Oene OENEMA

Journal Article

INTEGRATED CROP-LIVESTOCK SYSTEMS: LESSONS FROM NEW YORK, BRITISH COLUMBIA, AND THE SOUTH-EASTERN UNITED STATES

Alan FRANZLUEBBERS, Derek HUNT, Gary TELFORD, Shabtai BITTMAN, Quirine KETTERINGS

Journal Article

HARNESSING BIODIVERSITY FOR HEALTHY DAIRY FARMS

Journal Article

NEW ZEALAND DAIRY FARM SYSTEMS AND KEY ENVIRONMENTAL EFFECTS

Jiafa LUO, Stewart LEDGARD

Journal Article

NEW ZEALAND DAIRY FARM SYSTEMS AND KEY ENVIRONMENTAL EFFECTS

Journal Article

Evaluation of automated in-line precision dairy farming technology implementation in three dairy farms

Maria CARIA, Giuseppe TODDE, Antonio PAZZONA

Journal Article

INTENSIFICATION OF GRASSLAND-BASED DAIRY PRODUCTION AND ITS IMPACTS ON LAND, NITROGEN AND PHOSPHORUS

Journal Article

EFFECT OF EXOGENOUS ADDITIVES ON HEAVY METAL PASSIVATION AND NITROGEN RETENTION IN PIG MANURE COMPOSTING

Journal Article

Antibiotic resistance genes in manure-amended paddy soils across eastern China: Occurrence and influencing

Journal Article

LIVESTOCK AND POULTRY MANURE MANAGEMENT FROM THE PERSPECTIVE OF CARBON NEUTRALITY IN CHINA

Journal Article

Mesophilic and thermophilic anaerobic digestion of swine manure with sulfamethoxazole and norfloxacin

Journal Article

Cattle manure biochar and earthworm interactively affected CO and NO emissions in agricultural and forest

Journal Article

POLICIES AND REGULATIONS FOR PROMOTING MANURE MANAGEMENT FOR SUSTAINABLE LIVESTOCK PRODUCTION IN CHINA

Journal Article