Výsledky vyhledávání - "Pieter A. Swanepoel"

Akademický článek

Advancing carbon sequestration and nutrient management in the South African dairy industry for sustainable growth

Autor: Riana Reinecke, James N. Blignaut, Heinz H. Meissner, Pieter A. Swanepoel

Publikováno v: Frontiers in Sustainable Food Systems, Vol 8 (2024)

The dairy industry in South Africa is currently grappling with significant challenges, including escalating costs and diminishing profit margins. However, these difficulties also create a pivotal opportunity for the sector to embrace sustainable prac

Externí odkaz: https://doaj.org/article/286882349044499c95bd2e61c6ea5ed2

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Akademický článek

A carbon footprint assessment for pasture-based dairy farming systems in South Africa

Autor: Craig Galloway, Pieter A. Swanepoel, Stephanus J. Haarhoff

Publikováno v: Frontiers in Sustainable Food Systems, Vol 8 (2024)

Environmental impact evaluation of intensive dairy farming systems has been of growing interest recently as agriculture has several negative influences on the surrounding environment, including eutrophication, declines in biodiversity, and pollution

Externí odkaz: https://doaj.org/article/4f6554172cbc42659108858d8260c6cd

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Akademický článek

Plant Population and Row Spacing Affects Growth and Yield of Rainfed Maize in Semi-arid Environments

Autor: Stephanus J. Haarhoff, Pieter A. Swanepoel

Publikováno v: Frontiers in Plant Science, Vol 13 (2022)

Increased tolerance to competition for soil resources of modern maize (Zea mays L.) hybrids increases soil resource use efficiency and yield. Yet little information is available on the relationship between maize population density and yield under no-

Externí odkaz: https://doaj.org/article/97781a8fae5f4b699317390ecdfa8ff8

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Akademický článek

Environmental Impact of Rotationally Grazed Pastures at Different Management Intensities in South Africa

Autor: Hendrik P. J. Smit, Thorsten Reinsch, Pieter A. Swanepoel, Ralf Loges, Christof Kluß, Friedhelm Taube

Publikováno v: Animals, Vol 11, Iss 5, p 1214 (2021)

Nitrogen fertilization, irrigation and concentrate feeding are important factors in rotational pasture management for dairy farms in South Africa. The extent to which these factors affect environmental efficiency is subject to current and intense deb

Externí odkaz: https://doaj.org/article/4edc20a4c834404d814fcb988c2f418b

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Akademický článek

Grazing under Irrigation Affects N2O-Emissions Substantially in South Africa

Autor: Hendrik P. J. Smit, Thorsten Reinsch, Pieter A. Swanepoel, Christof Kluß, Friedhelm Taube

Publikováno v: Atmosphere, Vol 11, Iss 9, p 925 (2020)

Fertilized agricultural soils serve as a primary source of anthropogenic N2O emissions. In South Africa, there is a paucity of data on N2O emissions from fertilized, irrigated dairy-pasture systems and emission factors (EF) associated with the amount

Externí odkaz: https://doaj.org/article/16833957a5b1496eaec58f186d992f68

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Akademický článek

Spatial relationships and movement patterns of the air cargo industry in airport regions

Autor: Petrus J. van V. Coetzee, Pieter A. Swanepoel

Publikováno v: Journal of Transport and Supply Chain Management, Vol 11, Iss 0, Pp e1-e10 (2017)

Background: During the past few years, with the increase in air traffic and the expansion of airports, very few industries had such a large spatial development and movement impact as that of airport-related clusters or airport regions. Although much

Externí odkaz: https://doaj.org/article/78d99c10919e4c15aff848e9297b7930

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