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Articles 9361 - 9390 of 9451
Full-Text Articles in Agricultural Science
Ecologically And Socially Sustainable Livestock Development In Marginal Areas, Ilse Köhler-Rollefson
Ecologically And Socially Sustainable Livestock Development In Marginal Areas, Ilse Köhler-Rollefson
IGC Proceedings (1977-2023)
“Marginal areas” are perceived as difficult and unproductive landscapes, always under the threat of drought, desertification and poverty. Yet, both dryland and high altitude marginal areas have an extraordinary output of livestock products; in the efficiency of producing human-edible protein they far surpass more fertile areas. This productivity under adverse climatic conditions rests on sophisticated strategies and social institutions developed by pastoral communities to deal with variability in the availability of resources. It depends on the use of animal genetic resources that are adapted to make best use of local vegetation and can cope with seasonal variations in availability. Livestock …
Valuing Variability--New Perspectives On Climate Resilient Dryland Development, Saverio Kratli
Valuing Variability--New Perspectives On Climate Resilient Dryland Development, Saverio Kratli
IGC Proceedings (1977-2023)
Valuing Variability is a challenge to the view of the drylands as naturally vulnerable to food insecurity and poverty. It argues that improving agricultural productivity in dryland environments is possible by working with climatic uncertainty rather than seeking to control it – a view that runs contrary to decades of development practice in arid and semi-arid lands.
Participatory And Holistic Approaches With Grassland Farmers And Development Of Policies, Alain Peeters
Participatory And Holistic Approaches With Grassland Farmers And Development Of Policies, Alain Peeters
IGC Proceedings (1977-2023)
The world is changing rapidly. Grassland farmers and ruminant livestock breeders will have to adapt to these changing environmental, social and economic conditions. Research can help them at the condition that linear ‘top-down’ technology transfer methods are abandoned for the benefit of participatory and holistic approaches. These approaches classified in the generic term of ‘Farming System Research’ consider farmers as real research partners, and they merge farmer’s and scientist’s ideas with those of other stakeholder types. They combine scientist’s and farmer’s knowledge for creating fast innovations, easily adopted by farmers since farmers themselves contribute to their design and their development. …
Sustainable Grasslands: Resolving Management Options For Livelihood And Environmental Benefits, David R. Kemp, Warwick B. Badgery, David L. Michalk
Sustainable Grasslands: Resolving Management Options For Livelihood And Environmental Benefits, David R. Kemp, Warwick B. Badgery, David L. Michalk
IGC Proceedings (1977-2023)
To help solve the major issues of improving livelihoods and environmental services, grassland research needs to be evaluated within the context of relevant farm systems. Treatments need to show that they not only have significant effects but that they have effects that are meaningful in the context of the relevant farm system. Research often defines an optimum criterion for management that is a single point, but that is difficult to achieve in practice, especially when there are several components in a grassland system that need to be optimised. It is argued that an appropriate criterion for optimising management is a …
Climate Change Impact And Adaptation In Temperate Grassland And Livestock Industries, Afshin Ghahramani, Andrew D. Moore
Climate Change Impact And Adaptation In Temperate Grassland And Livestock Industries, Afshin Ghahramani, Andrew D. Moore
IGC Proceedings (1977-2023)
Climate is projected to have negative impact on temperate grassland and livestock productions across the globe. Moderately elevated atmospheric CO2 in the near future is expected to increase plant photosynthetic rates but this is likely to be limited by soil nitrogen deficits. However, in Australia at least it is unlikely that positive effect of elevated CO2 on plant production be able to offset the negative impacts of climate change. Currently there is a considerable gap between actual and achievable production and profit in Australian grazing systems and many management and genetic improvements for climate adaptation would operate by …
Climate-Smart Brachiaria For Improving Livestock Production In East Africa: Emerging Opportunities, Sita R. Ghimire, Donald M. G. Njarui, Mupenzi Mutimura, Juan A. Cardoso, Linda Johnson, Elias M. Gichangi, Suliana Teasdale, Kennedy Odokonyero, John Caradus, Idupulapati M. Rao, Appolinaire Djikeng
Climate-Smart Brachiaria For Improving Livestock Production In East Africa: Emerging Opportunities, Sita R. Ghimire, Donald M. G. Njarui, Mupenzi Mutimura, Juan A. Cardoso, Linda Johnson, Elias M. Gichangi, Suliana Teasdale, Kennedy Odokonyero, John Caradus, Idupulapati M. Rao, Appolinaire Djikeng
IGC Proceedings (1977-2023)
Brachiaria grass is an important tropical forage of African origin with desirable attributes of agricultural and environmental significance. Brachiaria has been extensively cultivated as a pasture across the tropics except in its endemic provenance of Africa. In 2013, a collaborative research program was initiated in Kenya and Rwanda with the aim of improving the availability of quality livestock feeds adapted to drought and low fertility soils using Brachiaria. The outcomes sought were increased livestock productivity leading to improved farmer income and the development of seed production opportunities. The program has identified five preferred cultivars, and four of them are currently …
Tropical Grassland Ecosystems And Climate Change, C. R. Babu, Vivek Kr. Choudhary, Vijay Kumar
Tropical Grassland Ecosystems And Climate Change, C. R. Babu, Vivek Kr. Choudhary, Vijay Kumar
IGC Proceedings (1977-2023)
Grasses are unique group of flowering plants that form the foundation for the trophic structure in terrestrial communities. The grasses are found in every conceivable habitat where plants can thrive – from sea to deserts and from wetlands to peaks of highest mountains. The grasses form a distinct biome – a major ecological formation in the global classification of vegetation.
Recent Trends In Breeding Of Tropical Grass And Forage Species, J. S. Sandhu, Dinesh Kumar, Vijay Kumar Yadav, Tejveer Singh, R. P. Sah, Auji Radhakrishna
Recent Trends In Breeding Of Tropical Grass And Forage Species, J. S. Sandhu, Dinesh Kumar, Vijay Kumar Yadav, Tejveer Singh, R. P. Sah, Auji Radhakrishna
IGC Proceedings (1977-2023)
Germplasm enrichment in major tropical grasses and their characterization for emerging environmental challenges have been major focussed area in the recent past. Breeding efforts in tropical grasses are still limited to few selected species viz. Panicum spp, Cenchrus spp, Pennisetum spp and Bracharia spp and all other grasses use of land races for varietal development through selection have been major source of improvement. The pace of breeding efforts in the tropical grasses have been slowed because of many inherent characteristics viz. apomixis, poor seed set, high photo and thermo sensitivity often creating problem in designing and implementing an effective breeding …
Sustainability, Biodiversity And Environmental Issues: A Global Perspective For Livestock Production, David L. Michalk
Sustainability, Biodiversity And Environmental Issues: A Global Perspective For Livestock Production, David L. Michalk
IGC Proceedings (1977-2023)
To meet world food demand through the 21st century, agricultural production needs to increase, but this needs to be done sustainably through increasing efficiency, optimising sufficiency and achieving consistency, such that resource use is optimised, waste reduced and environmental benefits gained. These strategies need to be developed against changing food patterns, especially a decline in per capita consumption of cereals and an increase in meat consumption as household incomes increase. Grasslands are collectively the larger group of land-based ecosystems on the planet. Their values are not always recognised, often being seen as ‘reserves’ for exploitation for urban expansion, …
Wastelands Of The Mind: The Identity Crisis Of India’S Savanna Grasslands, Abi Tamim Vanak
Wastelands Of The Mind: The Identity Crisis Of India’S Savanna Grasslands, Abi Tamim Vanak
IGC Proceedings (1977-2023)
The idea that wastelands are unproductive continues to be pervasive and is used by various agencies to gain control over marginal landscapes and remake them for productive purposes with dire results.
Grassland And Livestock Production: The East African Case, David Miano Mwangi
Grassland And Livestock Production: The East African Case, David Miano Mwangi
IGC Proceedings (1977-2023)
Grasslands cover over 26% of the world land mass and about 80% of the agricultural area. They are the source of a livelihood for about 1 million people in the developing countries. Livestock contributes 40% of the global value of agricultural outputs. Approximately 60% of rural households keep livestock. In East Africa there are a number of grasslands. The most extensive of these are the Acacia based Savanna grasslands. Others include the sudd flooded grasslands of South Sudan and the Miobo woodlands of Tanzania. More than 60% of the livestock and wildlife in this region are found on these grasslands. …
Three Is Company: Fixing The Grazing-Land Business Conundrum, Ralph Von Kaufmann
Three Is Company: Fixing The Grazing-Land Business Conundrum, Ralph Von Kaufmann
IGC Proceedings (1977-2023)
Grazing-lands have the largest footprint on the world’s land surface area but this is not reflected in the amount of business conducted on them. The most common land use systems are very land intensive, i.e., they use a lot of land to produce not very much and few jobs. The health of the planet depends on having healthy grazing-lands but there is a perfect storm brewing in which the demand from expanding pastoral communities for more food and jobs cannot be met just by applying good grazing-land management practices. Compatible businesses must be found that can create jobs without increasing …
Tropical Grasslands--Trends, Perspectives And Future Prospects, Panjab Singh
Tropical Grasslands--Trends, Perspectives And Future Prospects, Panjab Singh
IGC Proceedings (1977-2023)
This paper attempts a rapid summary of the present day state of tropical grassland and livestock based production systems globally, especially in tropics, in relation to recent trends, future assessment, grassland rehabilitation and management strategies, future perspectives of grassland science and development including policy imperatives.
About Sponsors, National Organizing Committee, International Grassland Congress
About Sponsors, National Organizing Committee, International Grassland Congress
IGC Proceedings (1977-2023)
No abstract provided.
Nitrogen Management Of Forages In Relation To Gaseous Emissions – New Approaches And Considerations, Shabtai Bittman, Derek Hunt
Nitrogen Management Of Forages In Relation To Gaseous Emissions – New Approaches And Considerations, Shabtai Bittman, Derek Hunt
IGC Proceedings (1977-2023)
Forages have a high N demand, a long growing season, and an effective root system all contributing to effective nutrient capture. However forages are restrictive in methods available for mitigating gaseous losses both as NH3 and as N2O, due to both practical and cost considerations. Strategies are needed to address the challenges of both N efficiency and N losses. Agronomic techniques in long term experiments can enhance estimates of N loss pathways and N efficiency, and demonstrate the importance of integrated multinutrient approaches. The dual manure stream concept divides manure into a thin fraction suitable as an …
Impact Of Market Forces On Product Quality And Grassland Condition, David L. Michalk, Jianping Wu, Warwick B. Badgery, David R. Kemp
Impact Of Market Forces On Product Quality And Grassland Condition, David L. Michalk, Jianping Wu, Warwick B. Badgery, David R. Kemp
IGC Proceedings (1977-2023)
Meeting demands for livestock products which are predicted to more than double during the next 20 years, is central to the challenge of feeding the world sustainably. Smallholders will play a key role in achieving global security in animal protein. However, this requires a shift from subsistence to market-oriented farming where production efficiency not the number of livestock is the key focus with the aim of producing ‘more from less’. For grassland-based ruminant production, reducing stocking rate from current unsustainable levels under subsistence management is an essential first step to producing more production and profit from fewer animals. This is …
Stakeholders Integration For Sustainable Use Of Temperate Forage/Livestock Agriculture, Garry D. Lacefield, Don Ball
Stakeholders Integration For Sustainable Use Of Temperate Forage/Livestock Agriculture, Garry D. Lacefield, Don Ball
IGC Proceedings (1977-2023)
Forage/livestock production is complex, and best management options are often site-specific, but some concepts have broad application. The intent of this article is to provide an overview of research-based management approaches that the authors believe are necessary to ensure the sustainability of forage/livestock farms. This overview discussion is needed because livestock agriculture is changing, thus creating both challenges and opportunities for producers. In the last 30 years, beef numbers in the USA have declined by 20%, but production per cow has more than doubled, resulting in increased total production on less land with fewer animals. Similar statistics exist for the …
Socio-Cultural Factors Challenging Development Interventions In Cattle Production In The Remote Areas Of Vietnam, Duong-Nam Ha, Pham-Van Hung, Tran-The Cuong, Ninh-Xuan Trung, Tran-Van Long, Laurie Bonney, Peter A. Lane, Guillaume Duteurtre, Stephen Ives
Socio-Cultural Factors Challenging Development Interventions In Cattle Production In The Remote Areas Of Vietnam, Duong-Nam Ha, Pham-Van Hung, Tran-The Cuong, Ninh-Xuan Trung, Tran-Van Long, Laurie Bonney, Peter A. Lane, Guillaume Duteurtre, Stephen Ives
IGC Proceedings (1977-2023)
The northwest highlands of Vietnam are characterized by high altitude, low infrastructure, and low population densities composed of a wide diversity of different ethnic groups. Their socio-cultural characteristics strongly influence their lifestyle and production systems, including agricultural activities. The majority of these people have suffered from slow economic development, with the highest poverty rate in the country. This is a real need for plausible interventions where behavioral changes of smallholders throughout local value chains would be a critical foundation. Our project implemented in this context of development in the Northwest highlands of Vietnam aims to understand the role of socio-cultural …
Changing Grassland Scenario In Developing Countries--Economical And Social Perspective, Abule Ebro
Changing Grassland Scenario In Developing Countries--Economical And Social Perspective, Abule Ebro
IGC Proceedings (1977-2023)
Grasslands are mainly used for livestock production in developing countries although they have been facing contradictory pressures, i.e., increased demand for natural resources and animal products to cope with rising human populations. On the other, there is a need to preserve the environment and ecosystem. This paper reviewed the causes of grassland changes, the economic and social perspective of changing grasslands with more emphasis on dry lands. Different indicators were used to assess the economic (livestock production, wildlife and tourism, crop production, ecosystem services) and social (traditional institutions, mobility, land tenure and grazing systems) perspectives of changing grassland. The major …
Conservation Of Grassland Plant Genetic Resources Through People Participation, D. R. Malaviya, Ajoy K. Roy, P. Kaushal
Conservation Of Grassland Plant Genetic Resources Through People Participation, D. R. Malaviya, Ajoy K. Roy, P. Kaushal
IGC Proceedings (1977-2023)
Agrobiodiversity provides the foundation of all food and feed production. Hence, need of the time is to collect, evaluate and utilize the biodiversity globally available. Indian sub-continent is one of the world’s mega centers of crop origins. India possesses 166 species of agri-horticultural crops and 324 species of wild relatives. India is reported to have five grass covers identified. There have been almost nil human interference in terms of selection pressure; hence, the biodiversity is well conserved in these grazing lands. There is need of a system approach to understanding biodiversity that moves significantly beyond taxonomy and species observations. In …
Breeding Strategies To Improve Fodder Legumes With Special Emphasis On Clover And Medics, Ajoy K. Roy, D. R. Malaviya, P. Kaushal
Breeding Strategies To Improve Fodder Legumes With Special Emphasis On Clover And Medics, Ajoy K. Roy, D. R. Malaviya, P. Kaushal
IGC Proceedings (1977-2023)
In India, Forage has a unique integration of agriculture and animal industry in diversified rich cultural environment. Greater part of rural economy in India relies much upon mixed farming system, a well-knit combination of crop production and livestock rearing. In India, grazing-based livestock husbandry plays an important role in the rural economy as around 50% of animals depend on grazing. Pasturelands over an area of 12 Mha constitute the main grazing resources that are available. Nearly 30 pastoral communities in hilly or arid/semi-arid regions in northern and western parts of India, depend on grazing-based livestock production. Nomadic pastoralism, a traditional …
Front Matter [23rd International Grassland Congress Proceedings], National Organizing Committee, International Grassland Congress
Front Matter [23rd International Grassland Congress Proceedings], National Organizing Committee, International Grassland Congress
IGC Proceedings (1977-2023)
No abstract provided.
Front Matter [Preface And List Of Contributors], National Organizing Committee, International Grassland Congress
Front Matter [Preface And List Of Contributors], National Organizing Committee, International Grassland Congress
IGC Proceedings (1977-2023)
No abstract provided.
Promising Forage Options To Enhance Livestock Production In Mediterranean Climate Agricultural Systems, Serkan Ates, Hayley C. Norman, Hichem Ben Salem, Bradley Nutt, Harun Cicek
Promising Forage Options To Enhance Livestock Production In Mediterranean Climate Agricultural Systems, Serkan Ates, Hayley C. Norman, Hichem Ben Salem, Bradley Nutt, Harun Cicek
IGC Proceedings (1977-2023)
The increasing demand for food, fibre and animal products inevitably requires intensifying agricultural production worldwide. This can present a number of environmental and farming systems challenges in Mediterranean climate areas of the world. Developments of novel strategies, employing ecologically sound intensification practices, are crucial to enhance production in the Mediterranean agropastoral production systems. In this paper, we have discussed forage based systems that improve productivity, profitability, environmental quality and resilience of the farming systems. Key opportunities include better use and integration of diverse genetic resources, new agronomic techniques and the utilization of perennial forage plants that are adapted to land …
New Methodologies For Grasslands Monitoring, Katarzyna Dabrowska-Zielinska, Piotr Goliński, Marit Jorgensen, Jørgen Mølmann, Gregory Taff, Monika Tomaszewska, Barbara Golińska, Maria Budzynska, Martyna Gatkowska
New Methodologies For Grasslands Monitoring, Katarzyna Dabrowska-Zielinska, Piotr Goliński, Marit Jorgensen, Jørgen Mølmann, Gregory Taff, Monika Tomaszewska, Barbara Golińska, Maria Budzynska, Martyna Gatkowska
IGC Proceedings (1977-2023)
Monitoring grassland areas to assess changes in their condition over time has been the subject of a lot of research at different scales. Initially the techniques focused on field-based measurements, and modelling. However, several obtained data were site specific. Based on the increase in availability of remote sensing data and products, there is an expectation that remote sensing can provide rapid and definite answers to the challenges of detecting and monitoring grassland conditions and associated changes in productivity. At the time of European Copernicus Programme, the new possibilities of satellite data from the group of Sentinel satellites give the new …
Grazing Management Options For Maintaining Optimum Pasture Composition And Utilization, Glen E. Aiken
Grazing Management Options For Maintaining Optimum Pasture Composition And Utilization, Glen E. Aiken
IGC Proceedings (1977-2023)
Global demand for meat and dairy products will continue to increase over the 21st century, however, the global forage-based livestock industry will be challenged in meeting production goals with minimal impact of the environment. Sustainable production of grazing livestock will depend on the use of carefully planned grazing management strategies. Development of a grazing management plan involves making two decisions: determining the livestock density at which pastures are stocked and settling on the method used to graze the pastures. Stocking rate indirectly affects output per animal and per hectare through its direct effect on forage mass and pasture composition. A …
Enhancing Grassland Productivity Through Disease Management Of Grass And Forage Species, Tingyu Duan, Chunjie Li, Yanzhong Li, Binhua Yu, Zhibiao Nan
Enhancing Grassland Productivity Through Disease Management Of Grass And Forage Species, Tingyu Duan, Chunjie Li, Yanzhong Li, Binhua Yu, Zhibiao Nan
IGC Proceedings (1977-2023)
The total area of grassland in China is about 400 million hectares, accounting for 41.7% of the country’s land area, which plays important role in ecological construction and food security assurance of the national. However, diseases of grass and forage limited the development of the pastoral agriculture. There are more than1500 new diseases were reported in the past 16 years with more and more new diseases were discovered. The damage to grassland is becoming more severe with the known diseases prevalent areas expanding.
Management Of Pasture Soils: Biochar Stability, Carbon Storage Potential And Its Effect On Production And Quality, Bhupinder Pal Singh, Yunying Fang, Mark Boersma, Damian Collins, Lukas Van Zwieten, Lynne M. Macdonald
Management Of Pasture Soils: Biochar Stability, Carbon Storage Potential And Its Effect On Production And Quality, Bhupinder Pal Singh, Yunying Fang, Mark Boersma, Damian Collins, Lukas Van Zwieten, Lynne M. Macdonald
IGC Proceedings (1977-2023)
The use of biochar has been proposed as a stable carbon (C) amendment with long-term carbon (C) storage potential in agricultural soils while improving primary productivity. However, this concept has not been widely tested in contrasting soils under temperate pasture systems. To address this knowledge gap, a 13C-labelled biochar, produced from Eucalyptus saligna biomass by slow pyrolysis (450° C; d13C -36.7‰) was surface (0"10 cm) applied in C3 dominated, annual temperate pasture systems across Arenosol, Cambisol and Ferralsol. The results show that only 2% of the applied biochar-C was mineralised in a relatively clay- and C-poor …
Grassland Renovation And Consequences For Nutrient Management, Johannes Isselstein, Manfred Kayser
Grassland Renovation And Consequences For Nutrient Management, Johannes Isselstein, Manfred Kayser
IGC Proceedings (1977-2023)
Sward degradation is a serious threat to the functioning of grassland and the provision of ecosystem services. Renovation measures are frequently applied in order to restore degraded swards. However, the success is highly variable and substantial tradeoffs are often found following renovation such as among agronomic and environmental services. Starting from a general classification of renovation measures the paper investigates the processes induced by renovation that lead to a change of the vegetation and that affect carbon and nitrogen fluxes. These processes are strongly interrelated and dependent on site, climate and management condition as well as on the time scale. …
Grassland Resources And Protections In The Yellow River Source Zone On The Qinghai-Tibet Plateau, Xilai Li, Gary J. Brierley, Youming Qiao, George L. W. Perry, Jay King Gao
Grassland Resources And Protections In The Yellow River Source Zone On The Qinghai-Tibet Plateau, Xilai Li, Gary J. Brierley, Youming Qiao, George L. W. Perry, Jay King Gao
IGC Proceedings (1977-2023)
This paper summarises resources and protections of the Yellow River Source Zone on the Qinghai-Tibet Plateau. A concerted effort has been made to address concerns for overgrazing on the alpine steppe and alpine meadow landscapes in the source zone of the Yellow River. An assessment of the impacts of overgrazing includes consideration of the role of small mammals (on the one hand they are considered as a critical ecosystem engineer, on the other they are perceived as a major threatening pest). Analyzed in this paper are management options in the restoration of degraded grasslands.