Forage production in drylands of arid and semi-arid regions Download PDF EPUB FB2
However, little is known about the trade-off among yield, nutritional quality, and soil water consumption for dryland forage farming production in semi-arid regions. This research compared the two-year yield and soil water consumption characteristics of sweet sorghum (Sorghum dochna), sudangrass (Sorghum sudanense) and forage maize (Zea Author: Ze Huang, David L.
Dunkerley, Manuel López-Vicente, Gao Lin Wu, Gao Lin Wu, Gao Lin Wu. East Africa’s pastoralists occupying semi-arid lands rely on the exploitation of native forage resources to sustain their livestock production. In these areas, water and forage are thus important resources (Awa et al.
However, semi-arid regions are characterised with limitations of water and forage that often trigger crisis situations Cited by: 8. In a speech at the opening of the presentation, the Director-General emphasized the necessity of implementing research in Arid and semi-arid regions and to depending on the tested experiments of forage crops on the agricultural drainage and saline water in the arid and semi-arid regions to take advantage of them as much as possible, and to move away from agricultural areas that are devoted.
Areas of potential useful study are identified: improved climate, climatic research and monitoring, improvement of arid zone cultivars, improved techniques of decision-making about land use. Warnings are given of the dangers of over-intensification of agricultural systems and of increasing population density in arid by: Forage Production and Conservation Manual Growing and ensiling annual and perennial forage crops suited to marginal and semi-arid areas of Southern Africa O.
Mhere Matopos Research Station, Zimbabwe B. Maasdorp Department of Crop Science, University of Zimbabwe M.
Titterton Department of Animal Science, University of Zimbabwe April Cited by: 6. Casual readers of the title of this book might be forgiven for thinking that it is a little esoteric, far-removed from the pressing day-to-day concerns of humans and wildlife in the drylands of the world.
But they could not be more wrong. It addresses an issue of the utmost practical importance in the world today, yet does so on the basis of exciting new theory about how the world operates. Studies of rat middens in other arid and semiarid regions of the world have also provided remarkable insights into past vegetation distribution and associated climatic variations (Pearson and Dodson, ; Pearson, ; Betancourt et al., ; Chase et al.,).
Pack rats forage incessantly within a very limited range (~ Forage production in drylands of arid and semi-arid regions book ha) of. The Journal of Arid Environments is an international journal publishing original scientific and technical research articles on physical, biological and cultural aspects of arid, semi-arid, and desert environments.
As a forum of multi-disciplinary and interdisciplinary dialogue it addresses research on all aspects of arid environments and their. Edaphoclimatic condition of the semiarid region is unfavorable for the forage production of livestock.
Silage is considered a better alternative to conserve forage crops. Ensiling is a technique for preserving forage, in which the ensiled mass is acidified under anaerobic conditions.
The lactic acid bacteria present in the environment produce lactic acid, thereby making the environment acidic. A recent study showed how, contrary to encroachment by the invasive alien tree species Prosopis julifora (referred to as “Mathenge” in Kenya or “Promi” in Baringo), the revival of grasslands in tropical semi-arid areas can alleviate the effects of climate change as well as restore important benefits typically provided by healthy grasslands for agro-pastoralist and pastoralist communities.
One of the most important distinctions to be made in relation to land degradation is between cultivated land used for annual crop production and `rangelands'.Reviews: 1. Desertification is a type of land degradation in drylands involving loss of biological productivity caused by natural processes or induced by human activities.
Salinity development in the dry zone of Sri Lanka a review/M.M.M. Najim and K.P.K. Jayakody. Some forage substitutes for the state of Qatar/Yassin M. Ibrahim. Salinity becomes a problem in semi arid and arid regions of the world posing major challenge to.
Thl. world is now losing annually about million hectares of total irrigated lands ( million hectares) due mostly to salinization, mainly in drylands.
Salt affected soils are widely distributed throughout the arid and semi-arid regions, and particularly severe in China (7 million ha), India (20 million ha), Pakistan ( million ha), USA.
First, a set of rainfall dependent forage production functions designed for arid and semi-arid regimes in Africa is used to calculate the annual forage production for grassland cover.
The spatial fodder estimates used annual rainfall maps derived from the Global Agro-Ecological Zones data set [ 51 ] covering the period – Drought In Arid And Semi Arid Regions A Multi Disciplinary And Cross Country Perspective free to listen on your mobile device, iPODs, computers and can be even burnt into a CD.
The collections also include classic literature and books that are obsolete. Drought In Arid And Semi Drought in Arid and Semi-Arid Regions: A Multi-Disciplinary and.
Opuntia, Nopalea, forage plant, roughage: DOI: /ActaHortic Abstract: Due to its adaptation to semi-arid environments and high energy value for dairy cows, forage cactus pear has become the most important forage plant for milk production in the state of Pernambuco.
Forage crops and cropping systems of arid and semi-arid regions. In Livestock Feeding Strategies for Dry Regions (Eds. P.S. Pathak and S.S. Kundu), pp International Book Distributing Co.
Prospects in the Arid Zone 80 Prospects in the Dry Semi-Arid Zone 82 Prospects in the Wet Semi-arid Zone 85 Prospects in the Dry Sub-humid Zone 87 Research and Technology Transfer Costs 90 Note 95 Chapter 9 Summary and Conclusions 97 References Boxes Extensification versus Intensification in the Drylands of Sub-Saharan Africa 8.
Drylands are tropical and temperate areas defined by their scarcity of water. They have an aridity index of less thanwhere potential evapotranspiration is times greater than actual mean ds can be classified into four categories based on precipitation: dry sub-humid, semi-arid, arid and hyper-arid.
Arid Semi-arid Dry subhumid All drylands REGION (1 km 2) (%) (1 km 2) (%) (1 km) (%) (1 km) (%) Asia (incl. Russia) 6 13 7 16 4 9 18 39 Africa 5 17 5 17 2 9 12 43 Oceania 3 39 3 39 11 8 89 North America 2 3 16 2 10 5 28 South America 2 2 17 2 13 5 Sorghum [Sorghum bicolor (L.) Moench] serves as a low‐cost alternative to corn (Zea mays L.) in semi‐arid regions of the world because of its high N and water use r, there has been a concern regarding N loss to the atmosphere as nitrous oxide (N 2 O) from semi‐arid drylands.
This study investigated various soil C and N components, including CO 2 and N 2 O emissions. Sitzia M, Ruiz FA, in Reference Module in Food Science, Forage System. Forage production is oriented toward the production of forage provision, principally hay from a pure stand of alfalfa or from a mixture of different legumes such as vetch.
Cereal production assumes a strategic role in covering sheep feeding requirements. Wheat, barley, oats, triticale and maize are cultivated for.
Feed sources of Forage Based Livestock Production Systems [FLPS (grazing, mixed-irrigated and mixed-rain fed)] largely consist of pasture, crop residue, or immature cereal crops, and also plants cut for fodder and carried to the animals.
In drylands (arid and semi-arid) eco-regions FLPS are dominantly extensive and thus the. Enhancing fodder and nutritional security of livestock in semi arid region of India through Opuntia Book.
Full-text available MS Yadav and KC Singh Forage Production in Drylands of. Wheat yield and seasonal evapotranspiration for two semi-arid regions 27 7. Effects of increased evapotranspiration on the water-use efficiency of cereal production 28 8.
General overview of rainfall partitioning in semi-arid regions 28 9. Development of indigenous soil and water technologies as affected by soil fertility and soil moisture.
Drylands include arid, semi-arid, and dry sub-humid areas (other than polar and sub-polar regions) in which this ratio ranges from – Areas where the ratio is less than are hyper-arid zones. assess production risk. Stewart, Jones and Unger () compared annual cropping of wheat at three semi-arid locations in Australia, China and the United States of America (Annex 3, Table 3).
The percentage of total precipitation used for evapotranspiration was similar for all three locations at about 65 percent.
In all locations, plant-available. Arid and semi-arid lands in China cover 52 percent of the country – 31 and 21 percent, respectively (Li Shengxiu and Xiao Ling, ). These lands are located between 30 and 50 Development of Dryland farming in various regions ANNEX 2.
Increasing climate variability can challenge our basic understanding of how rangelands function, particularly with regard to forage production. To meet this challenge, our research focuses on understanding and quantifying semi-arid rangeland responses to increased climatic variability - causedby a greater proportion of totalrainfall delivered.
Arid and semi-arid regions hereinafter rangelands cover about 45% of the Earth's land surface (Schimel ), 66% in Africa (Darkoh ), and 40% in Tanzania (BDAS ).
Rangelands provide about 70% of the feed for domestic ruminants and worldwide support about million households through livestock based livelihoods (Lund and FAO ). Drylands encompass regions where the production of crops, for-age and other ecosystem services are limited by water (Millennium Ecosystem Assessment, ).
Köppen’s classification (Peel, Finlayson, & McMahon, ) was used to define our study area, encompassing drylands with arid and semi-arid climates. Although hyper-arid and dry.forage production, while through grazing management an average increase of 30% could be obtained.
This shows the region’s nutritional capacity could substantially increase. The analytical framework used in this study could be applied to other arid and semi-arid environments for the assessment of forage production.In arid and semi-arid regions, the fast decomposition of soil organic matter caused several agro-environmental problems associated with the progressive degradation and decline in soil quality.