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Percival Alfred Yeomans (1905 - November 1984) was an Australian inventor known for the Keyline system for the development of land and increasing the fertility of that land. As a mining engineer and gold assayer, Yeomans had developed a keen sense of hydrology and equipment design. Upon his brother-in-law's death in a grass fire, P.A. Yeomans assumed management of a large tract of land he later named Nevallan in New South Wales. There he developed improved methods and equipment for cultivation. [1] His designs won him The Prince Philip Design Award Australia in 1974. [2]
His Keyline principles or concepts (Keyline Design) have been adopted by farm owners in almost every country in the world. Yeomans' Keyline concepts are now part of the curriculum of many sustainable agriculture courses in colleges and universities across the world. His ideas have also been a key factor in the development of permaculture design. P.A. Yeomans wrote four books: The Keyline Plan, [3] The Challenge of Landscape, [4] Water For Every Farm [5] [6] and The City Forest [7] .
Permaculture is an approach to land management and settlement design that adopts arrangements observed in flourishing natural ecosystems. It includes a set of design principles derived using whole-systems thinking. It applies these principles in fields such as regenerative agriculture, town planning, rewilding, and community resilience. The term was coined in 1978 by Bill Mollison and David Holmgren, who formulated the concept in opposition to modern industrialized methods, instead adopting a more traditional or "natural" approach to agriculture.
Bruce Charles "Bill" Mollison was an Australian researcher, author, scientist, teacher and biologist. In 1981, he was awarded the Right Livelihood Award "for developing and promoting the theory and practice of permaculture".
The following outline is provided as an overview of and topical guide to sustainable agriculture:
David Holmgren is an Australian environmental designer, ecological educator and writer. He is best known as one of the co-originators of the permaculture concept with Bill Mollison.
Mildura is a regional city in north-west Victoria, Australia. Located on the Victorian side of the Murray River, Mildura had a population of 34,565 in 2021. When nearby Wentworth, Irymple, Nichols Point, Merbein and Red Cliffs are included, the combined urban area had a population of 58,914 in 2021, having grown marginally at an average annual rate of 1.3% year-on-year over the preceding five years.
Victoria Park is a 9-hectare (22-acre) urban park situated on the corner of Parramatta Road and City Road, Camperdown, in the City of Sydney, New South Wales, Australia. The park is located adjacent to The University of Sydney and the Broadway Shopping Centre.
Contour bunding or contour farming or contour ploughing is the farming practice of plowing and/or planting across a slope following its elevation contour lines. These contour lines create a water break which reduces the formation of rills and gullies during times of heavy precipitation, allowing more time for the water to settle into the soil. In contour plowing, the ruts made by the plow run perpendicular rather than parallel to the slopes, generally furrows that curve around the land and are level. This method is also known for preventing tillage erosion. Tillage erosion is the soil movement and erosion by tilling a given plot of land. A similar practice is contour bunding where stones are placed around the contours of slopes. Contour ploughing has been proved to reduce fertilizer loss, power and time consumption, and wear on machines, as well as to increase crop yields and reduces soil erosion.
Soil conservation is the prevention of loss of the topmost layer of the soil from erosion or prevention of reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination.
The Yanco Agricultural High School, abbreviated as YAHS, is a government-funded co-educational academically selective and specialist secondary boarding school, located in Yanco in the Leeton Shire local government area, in the Riverina region of New South Wales, Australia.
Coleambally is a small town in the Riverina of New South Wales, Australia, in Murrumbidgee Local Government Area.
Keyline design is a landscaping technique of maximizing the beneficial use of the water resources of a tract of land. The "keyline" is a specific topographic feature related to the natural flow of water on the tract. Keyline design is a system of principles and techniques of developing rural and urban landscapes to optimize use of their water resources.
Geoff Lawton is a British-born Australian permaculture consultant, designer, teacher and speaker. Since 1995 he has specialized in permaculture education, design, implementation, system establishment, administration and community development.
Peter Andrews is an Australian racehorse breeder and grazier from Bylong in the Upper Hunter Valley of New South Wales. He is known for his pioneering work in landscape regeneration.
The Sydney International Regatta Centre (SIRC), located in Penrith, Sydney, New South Wales, Australia, is a rowing and canoe sprint venue built for the 2000 Summer Olympics. It is now a popular sporting venue, with the Head of the River Regatta held annually.
Allan James Yeomans is an agriculturist, design engineer, author, lecturer, and inventor. He argues that we can bring global warming and climate under control and restore weather systems to normal at negligible cost while simultaneously improving our wealth and standard of living.
Robyn Francis is an Australian permaculture figure founder of Permaculture College Australia.
Regenerative agriculture is a conservation and rehabilitation approach to food and farming systems. It focuses on topsoil regeneration, increasing biodiversity, improving the water cycle, enhancing ecosystem services, supporting biosequestration, increasing resilience to climate change, and strengthening the health and vitality of farm soil.
Old Cobram-Barooga Bridge is a heritage-listed former road bridge and now footbridge over the Murray River at Barooga-Cobram Road, Barooga, New South Wales, Australia. The bridge links Barooga with Cobram, its sister town in Victoria. It was designed by Ernest de Burgh (engineer) and the New South Wales Department of Public Works and built from 1900 to 1902. It is also known as RMS Bridge No 3247. It is owned by Transport for NSW. It was added to the New South Wales State Heritage Register on 1 April 2016.
Yobarnie Keyline Farm is a heritage-listed former experimental farm and now pastoral property at 108 Grose Vale Road, North Richmond, City of Hawkesbury, New South Wales, Australia. It was designed by P.A. Yeomans and built by him from 1943 to 1964. It is also known as Redbank North Richmond and Belmont Park. The property is owned by Redbank Communities Pty Ltd. It was added to the New South Wales State Heritage Register on 8 March 2013.