Farm Water Productivity in Conventional and Organic Farming: Case Studies of Cow-Calf Farming Systems in North Germany

Vellenga, Leen; Qualitz, Gregor; Drastig, Katrin

doi:10.3390/w10101294

Cited by 9 publications

(6 citation statements)

References 37 publications

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“…In the recent literature, there are numerous studies that use the case study approach for the analysis of livestock farm management from both environmental and technical-economic approaches, for example, Bernués et al [25] study the environmental impact and ecosystem services of sheep in Spain, Vellenga et al [26] compare the use of conventional and organic beef cattle water, and Eldesouky et al [3] analyze the carbon footprint in dehesa farms in Spain. Works with a technical-economic bias are for example those of Neira et al [27], Asai et al [28], and Regan et al [29].…”

Section: Case Studies Selection and Data Collectionmentioning

confidence: 99%

Organic Farming as a Strategy to Reduce Carbon Footprint in Dehesa Agroecosystems: A Case Study Comparing Different Livestock Products

Horrillo

Gaspar

Escribano

2020

Animals

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This study employs life cycle assessment (LCA) for the calculation of the balance (emissions minus sequestration) of greenhouse gas emissions (GHG) in the organic livestock production systems of dehesas in the southwest region of Spain. European organic production standards regulate these systems. As well as calculating the system’s emissions, this method also takes into account the soil carbon sequestration values. In this sense, the study of carbon sequestration in organic systems is of great interest from a legislation viewpoint. The results reveal that the farms producing meat cattle with calves sold at weaning age provide the highest levels of carbon footprint (16.27 kg of carbon dioxide equivalent (CO2eq)/kg of live weight), whereas the farms with the lowest levels of carbon emissions are montanera pig and semi-extensive dairy goat farms, i.e., 4.16 and 2.94 kg CO2eq/kg of live weight and 1.19 CO2eq/kg of fat and protein corrected milk (FPCM), respectively. Enteric fermentation represents 42.8% and 79.9% of the total emissions of ruminants’ farms. However, in pig farms, the highest percentage of the emissions derives from manure management (36.5%–42.9%) and animal feed (31%–37.7%). The soil sequestration level has been seen to range between 419.7 and 576.4 kg CO2eq/ha/year, which represents a considerable compensation of carbon emissions. It should be noted that these systems cannot be compared with other more intensive systems in terms of product units and therefore, the carbon footprint values of dehesa organic systems must always be associated to the territory.

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Section: Case Studies Selection and Data Collectionmentioning

confidence: 99%

Organic Farming as a Strategy to Reduce Carbon Footprint in Dehesa Agroecosystems: A Case Study Comparing Different Livestock Products

Horrillo

Gaspar

Escribano

2020

Animals

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“…Os resultados mostraram que, mesmo com um exame preciso da produtividade da água da fazenda, uma grande largura de banda de valores temporais e locais são revelados em diferentes fazendas: FWP genéricos para plantações de alimentos e gado não estão ao alcance (Vellenga et al, 2018). Estes indicadores podem ser utilizados para o entendimento em profundidade da produção.…”

Section: Resultsunclassified

Mensuração da sustentabilidade na bovinocultura de corte: desafios para o consumo e produção responsáveis da Agenda 2030

Santos

Malafaia

Jesus

et al. 2022

RSD

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Os sistemas produtivos da bovinocultura de corte estão diante de complexos desafios globais. Um deles refere-se ao atendimento dos Objetivos do Desenvolvimento Sustentável, que incentiva os sistemas a se adaptarem aos padrões produtivos sustentáveis propostos pela ciência, pelos consumidores e demais partes interessadas. Neste contexto, o objetivo deste artigo é identificar na literatura um conjunto de indicadores que contribuam para o alcance da sustentabilidade no sistema produtivo da bovinocultura de corte. Para atingir tal proposta, optou-se pela realização de uma revisão integrativa da literatura. Os resultados mostraram a existência de indicadores de desempenho, indicadores relacionados aos animais, bem como outros estruturais e econômicos. Contudo, não foram identificados indicadores voltados para contribuir no alcance da sustentabilidade dos sistemas produtivos específicos da bovinocultura de corte. A relevância deste estudo se dá pelo reconhecimento de uma lacuna metodológica, que representa uma medida pertinente para enfrentar os desafios cada vez maiores identificados nos sistemas produtivos globais. Essas informações fornecem estratégias que auxiliam o progresso de avaliações e análises pertinentes para arear questões envoltas no desenvolvimento de práticas cotidianas mais sustentáveis e de políticas públicas mais eficazes. Além disso, contribui para o atendimento das dimensões da sustentabilidade, no âmbito da produção de alimentos a partir da proteína animal.

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“…Water on agri-breeding farms is used for two main purposes, i.e., drinking water and services water [30,31]. From an animal health point of view, it is beneficial for the drinking water to have a temperature just below the body temperature.…”

Section: Variant Imentioning

confidence: 99%

An Analysis of Waste Heat Recovery from Wastewater on Livestock and Agriculture Farms

2020

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Agriculture is one of the sectors of the economy in which it is possible to conduct much more rational energy economy. The easiest way to achieve financial savings as well as reduce air pollution is to use waste heat sources. Heat pumps are perfect for this. Particularly favorable is the case when the device can operate in an alternative system and serve both heating and cooling purposes. The purpose of this article was to present possible solutions for installations enabling heat recovery from wastewater to supply agri-breeding farms with hot utility and technological water, a financial analysis of their application, and an assessment of the impact of these solutions on possible reduction of pollutant emissions. The tests were carried out for four variants of cooperation between a heat pump and an exchanger. In the first variant, waste heat was used in the process of heating water used to clean stands and prepare feed. In the second variant, waste heat took part in heating the water used for watering plants. In the third variant, waste heat was used in the process of drying cereals. In turn, in the last variant, waste heat supported the preparation of utility hot water for the breeder’s residential building. The study showed the legitimacy of using thermal energy from liquid manure as a waste heat source on farms and farming. This is mainly due to the short payback period, which can be within 2–4 years. In turn, the analysis of pollution reduction associated with the recovery of waste energy showed that the use of heat pumps allowed a significant reduction in the emission of harmful compounds to the atmosphere, in particular carbon dioxide. It is worth noting that livestock breeding is one of the most important branches of agricultural production not only in Poland but also throughout Europe, Asia and South and North America. For this reason, the use of waste heat-recovery systems enables real savings in the purchase of energy and reduction of pollutant emissions arising during traditional production processes.

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Farm Water Productivity in Conventional and Organic Farming: Case Studies of Cow-Calf Farming Systems in North Germany

Cited by 9 publications

References 37 publications

Organic Farming as a Strategy to Reduce Carbon Footprint in Dehesa Agroecosystems: A Case Study Comparing Different Livestock Products

Organic Farming as a Strategy to Reduce Carbon Footprint in Dehesa Agroecosystems: A Case Study Comparing Different Livestock Products

Mensuração da sustentabilidade na bovinocultura de corte: desafios para o consumo e produção responsáveis da Agenda 2030

An Analysis of Waste Heat Recovery from Wastewater on Livestock and Agriculture Farms

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