Induced Draught
نویسندگان
چکیده
منابع مشابه
Draught animals and welfare.
In fifty developing countries, which contain half of the total human population of the world, there is a heavy dependence on draught animals as an energy source. These animals are used for agriculture operations in 52% of cultivated areas of the world, as well as for hauling 25 million carts. This situation is likely to continue for at least another fifty years. The work performed annually by t...
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Prefix 10.18034 This performance evaluation was conducted to pave the way for making use of Draught Animal Power Cultivator and cosequently possibilities of adaptation in our local condition between 2010 and 2011 in the Jimma zone two districts of southwestern Ethiopia on the farmers’ field to evaluate energy requirement. To improve weed management at the small holder farmers level, animal-draw...
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Draught animals have not been used to any great extent in agriculture in the developed countries since the introduction of tractor power in the 1930s and the rapid expansion of agricultural mechanization over the succeeding decades. In the Third World, however, draught-animal power continues to make an important contribution to rural and urban economies. In fields that tractors cannot reach, su...
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the next most important and are found mainly in Asia, particularly in the wetter, more humid areas. Donkeys, camels, horses, mules, yaks, llamas, and even sheep and goats are also used for work in a variety of different operations from transport and cultivation to harvest operations and water lifting. Animal power probably makes its greatest contribution in agriculture although animal use for t...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1895
ISSN: 0036-8733
DOI: 10.1038/scientificamerican05111895-16136supp